List of places in the United States named after people

This is a list of places in the United States which are named after people. If not cited here, the etymology is generally referenced in the article about the person or the place.

A

 * Aaronsburg, Pennsylvania – Aaron Levy (founder)
 * Abbot, Maine – John Abbot (treasurer of Bowdoin College)
 * Abbott, Texas – Joseph Abbott (Texas politician)
 * Abbottstown, Pennsylvania – John Abbott (founder)
 * Abernathy, Texas – Monroe Abernathy (one of the developers of the town)
 * Abington, Massachusetts – Anne Venables Bertie, Countess of Abington, Cambridgeshire
 * Ableman, Wisconsin – S.V.R. Ableman (settler)
 * Ackley, Iowa – J.W. Ackley (founder)
 * Acworth, New Hampshire – Jacob Acworth (British naval officer)
 * Ada Township, Michigan – Ada Smith (daughter of postmaster)
 * Adairville, Kentucky – John Adair (governor of Kentucky)
 * Adams, California – Charles Adams (landowner)
 * Adams, Massachusetts – Samuel Adams
 * Adams, Nebraska – J.O. Adams (settler)
 * Adams, New York – John Adams
 * Adams, Oregon – John F. Adams (homesteader)
 * Adams, Tennessee – Reuben Adams (landowner)
 * Adamsboro, Indiana – George E. Adams (founder)
 * Adamsburg, Pennsylvania – John Adams
 * Adams Station, California – Marie Adams Peacock (tavern owner)
 * Adamstown, California – George Adams (founder)
 * Adamstown, Pennsylvania – John Adams
 * Adamsville, Arizona – Charles S. Adams (original settler)
 * Addison, 4 places in Maine, New York, Pennsylvania, and Vermont – Joseph Addison (English essayist, poet, playwright and politician)
 * Addison, West Virginia – Addison McLaughlin (local lawyer)
 * Adin, California – Adin McDowell (founder)
 * Adrian, Michigan – Roman Emperor Hadrian
 * Adrian, Minnesota – Mrs. Adrian Iselin (mother of Adrian C. Iselin, a director of the Sioux City and St. Paul Railroad Company)
 * Aguilar, Colorado – José Ramón Aguilar (cattleman and pioneer)
 * Aiken, South Carolina – William Aiken Jr. (governor of South Carolina)
 * Ainsworth, Iowa – D.H. Ainsworth (civil engineer)
 * Ainsworth, Washington – J.C. Ainsworth (railroader)
 * Albany, New Hampshire – James of York and Albany (indirectly, via Albany, New York)
 * Albany, New York – James of York and Albany
 * Albemarle, North Carolina – George Monck, 1st Duke of Albemarle
 * Alberhill, California – C.H. Albers, James and George Hill (landowners)
 * Albert Lea, Minnesota – Albert Miller Lea (engineer, soldier, and topographer with the United States Dragoons)
 * Alberton, Montana – Albert J. Earling (president of the Chicago, Milwaukee, St. Paul and Pacific Railroad)
 * Albuquerque, New Mexico – Francisco Fernández de la Cueva, 8th Duke of Alburquerque
 * Alburgh, Vermont – Ira Allen (landowner)
 * Alcester, South Dakota – Colonel Alcester of the British army
 * Alden, California – S.E. Alden (farmer and landowner)
 * Alden, Iowa – Henry Alden (settler)
 * Alderson, West Virginia – John Alderson (settler and local minister)
 * Alexander, New York – Alexander Rea (settler and state senator)
 * Alexander, Maine – Alexander Baring, 1st Baron Ashburton
 * Alexandria, Nebraska – S.J. Alexander (secretary of state)
 * Alexandria, New York and Alexandria Bay, New York – Alexander Le Ray (son of local settler)
 * Alexandria, New Hampshire – John Alexander (indirectly, via Alexandria, Virginia)
 * Alexandria, South Dakota – Alexander Mitchell (railroad president)
 * Alexandria, Virginia – John Alexander (settler)
 * Alford, Massachusetts – Colonel John Alford
 * Alfordsville, Indiana – James Alford (settler)
 * Alfred, Maine – King Alfred the Great
 * Alger, Ohio – Russell A. Alger
 * Alice, Texas – Alice Gertrudis King Kleberg (daughter of Richard King, who established the King Ranch)
 * Allendale, Oakland, California – Charles E. Allen (real estate broker)
 * Allendale, South Carolina – Allen family (settlers)
 * Allenstown, New Hampshire – Samuel Allen (father of landowner and governor of New Hampshire)
 * Allentown, Georgia – J.W. Allen (postmaster)
 * Allentown, Pennsylvania – William Allen
 * Alloway Township, New Jersey – Chief Alloway
 * Alma, Colorado – Alma James (wife of local merchant)
 * Almont, Michigan – Juan Almonte
 * Alstead, New Hampshire – Johann Heinrich Alsted (compiled an early encyclopedia that was popular at Harvard College) (note spelling)
 * Altheimer, Arkansas – Joseph and Louis Altheimer (founders)
 * Alton, California – Alton Easton (indirectly, via Alton, Illinois)
 * Alton, Illinois – Alton Easton (son of founder Rufus Easton)
 * Alva, Florida – Thomas Alva Edison (inventor)
 * Alvarado, California – Juan Alvarado (Mexican governor of California)
 * Alvin, Texas – Alvin Morgan (settler)
 * Amador City, California – Jose Maria Amador (early gold prospector)
 * Ambler, Pennsylvania – Joseph Ambler (settler)
 * Amelia Court House, Virginia – Princess Amelia of Great Britain
 * Ames, New York – Fisher Ames
 * Amherst, New Hampshire -- Jeffery Amherst, 1st Baron Amherst (also Massachusetts and Maine)
 * Anaheim, California – Saint Anne (indirectly, via the Santa Ana River)
 * Anastasia Island, Florida – Saint Anastasia
 * Anderson, Indiana – Chief William Anderson
 * Anderson, Kansas – Joseph C. Anderson (state legislator)
 * Anderson, South Carolina – Gen. Robert Anderson
 * Andersonia, California – Jeff Anderson (sawmill owner)
 * Andrade, California – Mexican General Guillermo Andrade
 * Angelica, New York – Angelica Schuyler Church
 * Angels Camp, California – Henry P. Angel (early settler and merchant)
 * Ankeny, Iowa – John Fletcher Ankeny
 * Anna, Illinois – Anna Davis (landowner's wife)
 * Annapolis, Maryland – Anne, Queen of Great Britain
 * Ann Arbor, Michigan – Ann Allen and Ann Rumsey (settlers' wives)
 * Annsville, New York – Ann Bloomfield (settler's wife)
 * Anson, Maine – George Anson, 1st Baron Anson
 * Anson, Wisconsin - Anson Burlingame (abolitionist, legislator, diplomat)
 * Ansonia, Connecticut – Anson Greene Phelps
 * Ansted, West Virginia – David T. Ansted (geologist and landowner)
 * Antis Township, Pennsylvania – Frederick Antes (colonel who fought during the Revolutionary War) (note spelling)
 * Anthony, Kansas – George T. Anthony (7th Governor of Kansas)
 * Applebachsville, Pennsylvania – Gen. Paul Applebach
 * Applegate, California – Lisbon Applegate (early settler)
 * Appleton, Maine and Appleton, Wisconsin – Samuel Appleton (father-in-law of Amos Lawrence, founder of Lawrence University)
 * Appling, Georgia – Col. Dan Appling
 * Arbuckle, California – Tacitus R. Arbuckle (early landowner and settler)
 * Archdale, North Carolina – John Archdale
 * Arco, Idaho – Georg von Arco
 * Arenzville, Illinois – Francis A. Arenz (founder)
 * Arietta, New York – Arietta Rensselaer (wife of Rensselaer van Rensselaer)
 * Arlington, Texas – Henry Bennet, 1st Earl of Arlington (indirectly, via Arlington House, The Robert E. Lee Memorial)
 * Armourdale, Kansas – Armour brothers (founders of Armour and Company)
 * Arnold, California – Bob and Bernice Arnold (early local merchants)
 * Arnold Heights, California – General Henry H. Arnold
 * Arundel, Maine – Lord Arundel
 * Arvada, Colorado – Hiram Arvada Haskin (brother-in-law of settler Mary Wadsworth)
 * Arvin, California – Arvin Richardson (pioneer)
 * Asbury Park, New Jersey – Francis Asbury
 * Ashburnham, Massachusetts – John Ashburnham, 2nd Earl of Ashburnham
 * Ashbyburg, Kentucky – Gen. Stephen Ashby
 * Asheboro, North Carolina – Samuel Ashe (governor of North Carolina)
 * Asherville, Indiana – John Asher (founder)
 * Ashford, Alabama – Thomas Ashford
 * Ashley, Michigan – H.W. Ashley (manager of the Ann Arbor Railroad)
 * Ashley River (South Carolina) – Anthony Ashley Cooper, 1st Earl of Shaftesbury
 * Astor, Florida and Astor Park, Florida – William Backhouse Astor, Sr.
 * Astoria, Oregon – John Jacob Astor
 * Atchison, Kansas – David Rice Atchison (Missouri Senator)
 * Aten, Nebraska – John Aten (state senator)
 * Athol, Massachusetts – James Murray, 2nd Duke of Atholl
 * Atkinson, Maine – Judge Atkinson (landholder)
 * Atkinson, New Hampshire – Theodore Atkinson (landowner)
 * Atwater, California – Marshall D. Atwater (farmer, landowner)
 * Atwater, Minnesota – Isaac Atwater (settler of St. Paul)
 * Atwater Township, Ohio – Amzi Atwater (surveyor)
 * Atwood, Kansas – Attwood Matheny (founder's son)
 * Auberry, California – Al Yarborough
 * Audubon, Minnesota – John James Audubon
 * Augusta, Georgia – Princess Augusta of Saxe-Gotha
 * Augusta, Kansas – Augusta James (trader's wife)
 * Augusta, Maine – Augusta Dearborn (daughter of Henry Dearborn)
 * Ault, Colorado – Alexander Ault (flour mill owner)
 * Aurelius, New York – Marcus Aurelius (Roman emperor)
 * Austin, Minnesota – Austin Nichols (settler)
 * Austin, Texas – Stephen F. Austin
 * Ave Maria, Florida – Mary, mother of Jesus
 * Averill, Vermont – Samuel Averill (landholder)
 * Avery, California – George J. Avery (first postmaster)
 * Averys Gore, Vermont – Samuel Avery (Westminster deputy sheriff and jailkeeper)
 * Axtell, Kansas – Dr. Jesse Axtell (officer of the St. Joseph and Grand Island Railway)
 * Ayer, Massachusetts – Dr. James Cook Ayer (patent-medicine manufacturer)

B

 * Bagby, California – Benjamin A. Bagby (merchant, hotelier, innkeeper)
 * Bainbridge, New York – Commodore William Bainbridge
 * Baird, Texas – Matthew Baird (president of Baldwin Locomotive Works)
 * Baker, Montana – A.G. Baker (engineer with the Chicago, Milwaukee, St. Paul and Pacific Railroad)
 * Baker City, Oregon – Senator Edward D. Baker (indirectly via Baker County, Oregon)
 * Baker County, Florida – James McNair Baker, judge and Confederate Senator
 * Bakersfield, California – Colonel Thomas Baker
 * Bakersfield, Vermont – Joseph Baker (landowner)
 * Baldwin, Georgia – Abraham Baldwin (U.S. Senator)
 * Baldwin, Maine – Colonel Loammi Baldwin (namesake of the Baldwin apple)
 * Baldwin, Michigan – Governor Henry P. Baldwin
 * Baldwin, Chemung County, New York – Isaac, Thomas, and Walter Baldwin (settlers)
 * Baldwin, Wisconsin – D.A. Baldwin (settler)
 * Baldwin City, Kansas – John Baldwin
 * Baldwinsville, New York – Dr. Jonas Baldwin (settler)
 * Ballantine, Montana – E.P. Ballantine (homesteader)
 * Ballston, New York and Ballston Spa, New York – Rev. Eliphalet Ball (settler)
 * Baltimore, Maryland – Lord Baltimore
 * Banning, California – Phineas Banning, stagecoach line owner and Father of the Port of Los Angeles.
 * Baraboo, Wisconsin – Jean Baribault (settler)
 * Baraga, Michigan – Bishop Friedrich Baraga
 * Barber, California – O. C. Barber (president of the Diamond Match Company)
 * Barberton, Ohio – O. C. Barber (president of the Diamond Match Company)
 * Barboursville, West Virginia – Philip P. Barbour (governor of Virginia)
 * Bard, California – Thomas R. Bard (irrigation district official)
 * Bardstown, Kentucky – David Bard, who obtained the original town site from the governor of Virginia, and his brother William Bard, who surveyed the site
 * Bargersville, Indiana – Jefferson Barger
 * Baring Plantation, Maine – Alexander Baring, 1st Baron Ashburton
 * Barker, Broome County, New York – John Barker (settler)
 * Barlow, Oregon – John L. Barlow (settler)
 * Barnard, Vermont – Sir Francis Bernard (landholder) (note spelling)
 * Barnes, Kansas – A.S. Barnes (publisher)
 * Barnum, Denver, Colorado – P. T. Barnum (landowner)
 * Barnwell, South Carolina – Barnwell family
 * Barraque Township, Arkansas – Antoine Barraque (landowner)
 * Barre, Massachusetts, Barre, New York, Barre (city), Vermont and Barre (town), Vermont – Isaac Barré (Irish soldier and politician)
 * Barrington, New Hampshire and Barrington, Rhode Island – John Shute Barrington, 1st Viscount Barrington (brother of Samuel Shute, governor of Massachusetts)
 * Barron, Wisconsin – Henry D. Barron (judge)
 * Barstow, California – William Barstow Strong (ATSF president)
 * Bartlett, Illinois – Luther Bartlett
 * Bartlett, New Hampshire – Dr. Josiah Bartlett
 * Bartlett Springs, California – Green Bartlett (resort owner)
 * Barton, Vermont – General William Barton
 * Bartow, Florida and Bartow, Georgia – Francis S. Bartow (Confederate general)
 * Bastrop, Louisiana and Bastrop, Texas – Felipe Enrique Neri, Baron de Bastrop (Dutch embezzler who falsely claimed to be a nobleman)
 * Batesville, Arkansas – James Woodson Bates
 * Batesville, Ohio – Rev. Timothy Bates
 * Bath, New Hampshire – William Pulteney, 1st Earl of Bath
 * Bath, New York – Henrietta Pulteney, Countess of Bath
 * Battleboro, North Carolina – James S. and Joseph Battle (railroaders)
 * Bayard, West Virginia – Thomas F. Bayard (U.S. Senator from Delaware)
 * Bayfield, Wisconsin – Rear Admiral Henry Wolsey Bayfield
 * Bay St. Louis, Mississippi – Louis IX of France
 * Beacon, Iowa – Benjamin Disraeli, Earl of Beaconfield
 * Beals, Maine – Manwaring Beal (settler)
 * Bealville, California – Edward Fitzgerald Beale (landowner)
 * Beardstown, Illinois – Thomas Beard (settler)
 * Beatrice, Humboldt County, California – Beatrice White (first postmaster)
 * Beattie, Kansas – A. Beattie (mayor of St. Joseph, Missouri)
 * Beattyville, Kentucky – Samuel Beatty (settler)
 * Beaufort, North Carolina and Beaufort, South Carolina – Henry Somerset, 2nd Duke of Beaufort
 * Beauregard, Mississippi – P. G. T. Beauregard (Confederate general)
 * Beaumont, Texas – Jefferson Beaumont (early settler and public official)
 * Becker, Minnesota – George Loomis Becker (mayor of Saint Paul)
 * Beckley, West Virginia – Gen. Alfred Beckley (settler)
 * Beckwourth, California – James Beckwourth, adventurer and early settler
 * Bedford, Massachusetts – Wriothesley Russell, 2nd Duke of Bedford
 * Bedford, New Hampshire and Bedford, Virginia – John Russell, 4th Duke of Bedford
 * Bedford, Tennessee – Thomas Bedford
 * Beebe, Arkansas – Roswell Beebe (settler)
 * Beecher City, Illinois – Charles A. Beecher (railroader)
 * Beekman, New York – Henry Beekman (landowner)
 * Beekmantown, New York – William Beekman (landowner)
 * Beeville, Texas – Barnard E. Bee, Sr. (served as Secretary of State and Secretary of War for the Republic of Texas) (indirectly, via Bee County, Texas)
 * Belchertown, Massachusetts – Jonathan Belcher (governor of Massachusetts and New Jersey)
 * Belden, California – Robert Belden (first postmaster)
 * Belleville, Kansas – Ara belle Tutton (landowner's wife)
 * Bellingham, Massachusetts – Governor Richard Bellingham
 * Bellingham, Washington – Sir William Bellingham, 1st Baronet
 * Bellmont, New York – William Bell (landowner)
 * Bellows Falls, Vermont – Colonel Benjamin Bellows (landowner)
 * Bellwood, Nebraska – D.J. Bell (landowner)
 * Belmont, Missouri and Belmont, New Hampshire – August Belmont (financier)
 * Belton, Texas – Governor Peter Hansborough Bell
 * Beltrami, Minnesota – Giacomo Beltrami
 * Belva, West Virginia – Belva Ann Lockwood
 * Belzoni, Mississippi – Giovanni Battista Belzoni
 * Bemis Heights, New York – Jonathan Bemis (innkeeper)
 * Benedicta, Maine – Bishop Benedict Fenwick (landowner)
 * Benicia, California – Francisca Benicia Carillo de Vallejo (wife of Mariano Guadalupe Vallejo)
 * Benner Township, Pennsylvania – General Phillip Benner (ironmaster)
 * Bennett, Iowa – Chet Bennett (railroader)
 * Bennettville, California – Thomas Bennett (mining company president)
 * Bennington, New Hampshire – colonial governor Benning Wentworth (indirectly, via Bennington, Vermont)
 * Bennington, Vermont – colonial governor Benning Wentworth
 * Benton, 7 places in Arkansas, California, Kentucky, Louisiana, Maine, Minnesota, and New Hampshire – Senator Thomas Hart Benton
 * Benton, New York – Levi Benton (settler)
 * Benton Hot Springs, California – Senator Thomas Hart Benton
 * Bentonia, Mississippi – Bentonia Green (resident)
 * Bentonville, Arkansas – Senator Thomas Hart Benton
 * Benwood, West Virginia – Benjamin Latrobe II
 * Beresford, South Dakota – Lord Charles Beresford
 * Berkeley, California – Bishop George Berkeley
 * Berkeley Springs, West Virginia – colonial governor William Berkeley
 * Berkley, Massachusetts – Bishop George Berkeley (The extra 'e' was apparently dropped by mistake when officially registered by the State House)
 * Berkley, Virginia – Norborne Berkeley, 4th Baron Botetourt
 * Bermuda, 5 places in Alabama, Georgia, Louisiana, South Carolina, and Tennessee – Juan de Bermúdez (indirectly, after Bermuda)
 * Bernards Township, New Jersey – Sir Francis Bernard of Nether Winchendon House, England
 * Bernardston, Massachusetts – Sir Francis Bernard, 1st Baronet
 * Berrien Township, Michigan – John M. Berrien
 * Berryville, Arkansas – Governor James H. Berry
 * Berthoud, Colorado – Edward L. Berthoud (railroad surveyor and engineer)
 * Bessemer, Alabama, Bessemer, Michigan, and Bessemer City, North Carolina – Henry Bessemer (English inventor of a steel making process)
 * Beveridge, California – John Beveridge
 * Beverly, West Virginia – William Beverly (landowner)
 * Bevier, Kentucky and Bevier, Missouri – Col. Robert Bevier
 * Bexar, 4 places in Alabama, Arkansas, Tennessee, and Texas (county) – Ferdinand VI of Spain (originally the Duke of Bexar)
 * Bieber, California – Nathan Bieber (early settler and first postmaster)
 * Bienville, Louisiana – Jean-Baptiste Le Moyne de Bienville
 * Billings, Montana – Frederick H. Billings
 * Billingsport, New Jersey – Edward Byllynge (merchant and colonial governor) (note the spelling)
 * Biltmore Forest, North Carolina – George Washington Vander bilt II
 * Bingham, Maine – William Bingham (landowner)
 * Binghamton, New York – William Bingham
 * Birchville, California – L. Birch Adsit
 * Birdsall, New York – John Birdsall (judge)
 * Birdsboro, Pennsylvania – William Bird (landowner)
 * Bishop, California – Samuel Addison Bishop (settler) (indirectly, via Bishop Creek)
 * Bismarck, Missouri and Bismarck, North Dakota – Otto von Bismarck
 * Blacksburg, Virginia – William Black (landowner)
 * Blackstone, Massachusetts – Rev. William Blaxton (settler) (spelling variant)
 * Blackwells Corner, California – George Blackwell (merchant)
 * Bladenboro, North Carolina – Martin Bladen
 * Blaine, Maine – James G. Blaine
 * Blair, Nebraska – John Insley Blair (official of the Sioux City and Pacific Railroad)
 * Blairsden, California – James A. Blair (financier of the Western Pacific Railroad)
 * Blairstown, Iowa and Blairstown, New Jersey – John Insley Blair (railroad magnate and one of the 19th century's wealthiest men)
 * Blairsville, Pennsylvania – John Blair (resident)
 * Blakely, Georgia – Captain Johnston Blakeley, U.S. Navy
 * Blanchard, California – Rosie M. Blanchard (first postmaster)
 * Blanchard, Maine – Charles Blanchard (landowner)
 * Blanco, Monterey County, California – Tom White (settler); "Blanco" is "White" in Spanish
 * Blandford, Massachusetts – John Churchill, 1st Duke of Marlborough (also held the title Marquess of Blandford)
 * Blandville, Kentucky – Capt. Bland Ballard
 * Bleecker, New York – Rutger Jansen Bleecker (landowner)
 * Blissfield, Michigan – Henry Bliss (landowner)
 * Blocksburg, California – Benjamin Blockburger (merchant and founder)
 * Bloomfield, New Jersey – Governor Joseph Bloomfield
 * Blossburg, Pennsylvania – Aaron Bloss (settler)
 * Blountsville, Indiana – Andrew Blount (founder)
 * Blythe, California – Thomas Henry Blythe; San Francisco capitalist
 * Boardman, Ohio – Frederick Boardman (landowner)
 * Bodfish, California – George H. Bodfish (early settler)
 * Bodie, California – W.S. Bodey (prospector)
 * Boerne, Texas – Louis Boerne (German writer)
 * Bolivar, 4 places in Missouri, Mississippi, New York, and Tennessee – Simón Bolivar
 * Bolton, Massachusetts – Charles Powlett, 3rd Duke of Bolton
 * Bonaparte, Iowa – Napoleon Bonaparte
 * Bonds Corner, California – Dr. J.L. Bond (homesteader)
 * Bondurant, Iowa – A.C. Bondurant
 * Bonham, Texas – Col. J.B. Bonham
 * Bonner Springs, Kansas – Robert E. Bonner (editor of the New York Ledger)
 * Bonneville, Oregon – Benjamin Bonneville (explorer)
 * Booge, South Dakota – C.A. Booge
 * Boone, North Carolina, Boone Station, Kentucky, and Boonville, North Carolina – Daniel Boone
 * Boonville, California – W.W. Boone (merchant)
 * Boonton, New Jersey – Thomas Boone (colonial governor)
 * Boonville, New York – Gerrit Boon (land agent)
 * Borden, California – Dr. James Borden (civic leader)
 * Borden, Texas – Gail Borden (customs official)
 * Bordentown, New Jersey – Joseph Borden (founder)
 * Boscawen, New Hampshire – Lord Edward Boscawen
 * Bossier City, Louisiana – Pierre Bossier (general)
 * Bostic, North Carolina – George T. Bostic
 * Bottineau, North Dakota – Pierre Bottineau (settler)
 * Bouckville, New York – Governor William C. Bouck
 * Bourbon, Indiana – House of Bourbon
 * Bourne, Massachusetts – Jonathan Bourne Sr. (son of Richard Bourne, who served in the Massachusetts General Court)
 * Bowdoin, Maine – James Bowdoin (governor of Massachusetts)
 * Bowdoinham, Maine – William Bowdoin (landowner)
 * Bowerstown, New Jersey – Michael B. Bowers (iron foundry owner)
 * Bowie, Maryland – Colonel William D. Bowie
 * Bowie, Texas – James Bowie
 * Bowman, California – Harry Bowman (fruit grower)
 * Boyd, Kentucky – Lt. Governor Linn Boyd
 * Boylston, New York – Thomas Boylston (doctor)
 * Bozeman, Montana – John Bozeman
 * Braddock, Pennsylvania – Gen. Edward Braddock
 * Bradford County, Florida – Capt. Richard Bradford, first Confederate officer from Florida to die in the Civil War
 * Bradford, Pennsylvania – Attorney General William Bradford
 * Bradfordsville, Kentucky – Peter Bradford (settler)
 * Bradley, California – Bradley V. Sargent (landowner)
 * Bradley, Maine – Bradley Blackman (settler)
 * Bradley Beach, New Jersey – James A. Bradley (landowner)
 * Bradshaw City, Arizona – William D. Bradshaw
 * Bradys Bend, Pennsylvania – Capt. Samuel Brady
 * Bradtmoore, California – Bradley T. Moore (founder)
 * Brainerd, Kansas – E.B. Brainerd (landowner)
 * Brainerd, Minnesota – David Brainerd (missionary)
 * Brandon, Mississippi – Governor Gerard Brandon
 * Brant, New York – Joseph Brant
 * Brandt, South Dakota – Rev. P.O. Brandt
 * Branscomb, California – Benjamin Franklin Branscomb (early settler)
 * Brasher, New York – Philip Brasher (landowner)
 * Brattleboro, Vermont – Colonel William Brattle, Jr. (proprietor)
 * Breckenridge - John C. Breckinridge, 4 places in
 * Colorado - Minnesota - Missouri - Texas (all spelling variants)


 * Breedsville, Michigan – Silas Breed (settler)
 * Breese, Illinois – Lt. Governor Sidney Breese
 * Brevard County, Florida and Brevard, North Carolina – Ephraim J. Brevard (possible author of the Mecklenburg Declaration of Independence)
 * Brewer, Maine – Colonel John Brewer (settler)
 * Brewster, Massachusetts – Elder William Brewster
 * Brewster, Minnesota – Elder William Brewster (indirectly, via Brewster, Massachusetts)
 * Brewster, New York – Walter and James Brewster (two early farmer landowners)
 * Briceburg, California – William M. Brice (merchant)
 * Briceland, California – John C. Briceland (landowner)
 * Bricelyn, Minnesota – John Brice (landowner)
 * Bridger, Montana – Jim Bridger (frontiersman)
 * Bridgton, Maine – Moody Bridges (settler)
 * Briensburg, Kentucky – James Brien (state legislator)
 * Brigham City, Utah – Brigham Young
 * Briscoe, Texas – Andrew Briscoe (Texian patriot)
 * Bristol (village), Wisconsin – Rev. Ira Bristol (settler)
 * Broadus, Montana – Broaddus family (early settlers) (note spelling)
 * Brockport, New York – Hiel Brockway (settler)
 * Brockton, Massachusetts – Isaac Brock (British Army officer and administrator) (indirectly, after a local merchant heard of Brockville, Ontario, on a trip to Niagara Falls)
 * Brockway, California – Nathaniel Brockway (uncle of postmaster)
 * Broderick, California – U.S. Senator David C. Broderick
 * Bronson, Kansas – Ira D. Bronson (prominent resident of Fort Scott)
 * the Bronx, New York City – Jonas Bronck (settler)
 * Brooks, Maine – John Brooks (Federalist candidate for Governor of Massachusetts)
 * Brooks County, Georgia – Congressman Preston Brooks
 * Brooksville, Florida – Congressman Preston Brooks
 * Brookville, Indiana – Jesse Brook Thomas (proprietor)
 * Brown, California – George Brown (hotelier)
 * Brownfield, Maine – Captain Henry Young Brown (served in the French and Indian War)
 * Brownington, Vermont – Daniel and Timothy Brown (landholders)
 * Brownstown, Indiana, Brownsville, Kentucky, and Brownsville, Tennessee – Jacob Jennings Brown (American army officer)
 * Browns Valley, Minnesota – Joseph Brown (founder)
 * Brownsville, Maryland – Tobias Brown (early settler)
 * Brownsville, Pennsylvania – Thomas and Basil Brown (landowners)
 * Brownsville, Texas – Major Jacob Brown
 * Browntown, Wisconsin – William G. Brown (settler)
 * Brownville, Maine – Francis Brown (mill owner and trader)
 * Brownville, Nebraska – Richard Brown (settler)
 * Brownville, New York – John Brown (settler and father of General Jacob Jennings Brown)
 * Brownwood, Texas – Henry S. Brown (settler)
 * Bruceville, Indiana – William Bruce (landowner)
 * Brunswick, Maine – House of Brunswick
 * Brunswick, Vermont – from one of the titles for Prince Karl Wilhelm Ferdinand of Brunswick-Lunenburg
 * Brushton, New York – Henry N. Brush (landowner)
 * Brutus, 4 places in Kentucky, Michigan, New York, and Virginia – Marcus Junius Brutus
 * Bryan, Ohio – John A. Bryan (state auditor)
 * Bryan, Texas – William Joel Bryan
 * Bryson City, North Carolina – T.D. Bryson (state legislator and landowner)
 * Bryte, California – Mike Bryte (local farmer and landowner)
 * Buchanan, Michigan – James Buchanan
 * Buchanan, Virginia – John Buchanan (settler)
 * Buckfield, Maine – Abijah Buck (settler)
 * Buckner, Missouri – Senator Alexander Buckner or Real Estate operator Simon Buckner or namesake is Thomas W. Buckner, an original owner of the site.
 * Bucks Bridge, New York – Isaac Buck (settler)
 * Buckskin Joe, Park County, Colorado – Joseph Higginbotham (frontiersman nicknamed "Buckskin Joe")
 * Bucksport, California – David A. Buck (founder)
 * Bucksport, Maine – Colonel Jonathan Buck (grantee)
 * Bucoda, Washington – J.M. Bu ckley, Samuel Co ulter, and John B. Da vid (businessmen)
 * Buels Gore, Vermont – Major Elias Buel (landholder)
 * Bullittsville, Kentucky – Alexander Scott Bullitt
 * Bullochville, Georgia – Archibald Bulloch
 * Buna, Texas – Buna Corley (cousin of the Carroll family, prominent Beaumont lumbermen and industrialists)
 * Bunceton, Missouri – Harvey Bunce (resident)
 * Buntingville, California – A.J. Bunting (merchant)
 * Burbank, California – David Burbank (dentist)
 * Burden, Kansas – Robert F. Burden (landowner)
 * Burdell, California – Dr. Galen Burdell (dentist, landowner)
 * Bureau County, Illinois and Bureau Junction, Illinois – Pierre de Buero (trader) (note the spelling)
 * Burgaw, North Carolina – Burgaw family (residents)
 * Burke (town), New York and Burke, Vermont – Edmund Burke
 * Burleson, Texas – Edward Burleson (Texian patriot)
 * Burlingame, California - Anson Burlingame (abolitionist, legislator, diplomat)
 * Burlingame, Kansas – Anson Burlingame (abolitionist, legislator, diplomat)
 * Burlington, 5 places in Kansas, Iowa, Michigan, Vermont, and Wisconsin – Burling family (This family owned the land upon which the city in Vermont was built. The other cities derive their name from the Vermont one).
 * Burnet, Texas – Governor David G. Burnet
 * Burnsville, Indiana – Brice Bruns (founder)
 * Burnsville, North Carolina – Otway Burns (boat captain)
 * Burrel, California – Cuthbert Burrel (local rancher)
 * Burrillville, Rhode Island – James Burrill, Jr. (state attorney general and U.S. senator)
 * Burrton, Kansas – I.T. Burr (Vice President of the Atchison, Topeka and Santa Fe Railway)
 * Burson, California – David S. Burson (railroad man)
 * Bushnell, South Dakota – Frank E. Bushnell (landowner)
 * Busti, New York – Paolo Busti (landowner)
 * Butler, Missouri – General William O. Butler
 * Buxton, Oregon – Henry Buxton (settler)
 * Byers, Colorado – W.N. Byers (Denver resident)
 * Bynumville, Missouri – Dr. Joseph Bynum (settler)
 * Byron, 3 places in Georgia, Maine, and New York – Lord Byron (English poet)

C

 * Cable, Illinois – Ransom R. Cable (railroader)
 * Cabot, Vermont – named by settler Lyman Hitchcock for his intended bride
 * Cadillac, Michigan – Antoine de la Mothe Cadillac
 * Cadott, Wisconsin – Baptiste Cadotte (resident) (note the spelling)
 * Caldwell, Kansas – Alexander Caldwell (U.S. Senator)
 * Caldwell, New Jersey – Rev. James Caldwell
 * Caldwell, Ohio – Joseph and Samuel Caldwell (landowners)
 * Caldwell, Texas – Mathew Caldwell (Texian patriot)
 * Calhoun, Kentucky – John Calhoun (judge)
 * Callaway, Missouri – Capt. James Callaway
 * Callensburg, Pennsylvania – Hugh Callen (founder)
 * Calvert, Maryland – Cecil Calvert, 2nd Baron Baltimore
 * Camano Island, Washington – Jacinto Caamaño (explorer) (note the spelling)
 * Camden, 4 places in Maine, New Jersey, New York, and North Carolina – Charles Pratt, 1st Earl Camden
 * Cameron, 3 places in Louisiana, Pennsylvania, and West Virginia – Simon Cameron
 * Cameron, Missouri – Malinda Cameron (maiden name of wife of Samuel McCorkle, who platted the town of Somerville, Missouri)
 * Cameron, New York – Dugald Cameron (land agent)
 * Cameron, South Carolina – J. Donald Cameron (U.S. Senator from Pennsylvania)
 * Cameron, Texas – Ewen Cameron (Texian patriot)
 * Camillus, New York – Marcus Furius Camillus (Roman military leader)
 * Camp Connell, California – John F. Connell (landowner and first postmaster)
 * Camp Douglas, Wisconsin – James Douglas (established a camp along the Milwaukee Road to provide wood for the locomotives)
 * Camp Pardee, California – George Pardee (governor of California)
 * Camp Richardson, California – Alonzo L. Richardson (first postmaster)
 * Campbell, California – Benjamin Campbell (founder)
 * Campbell, New York – Campbell family (settlers)
 * Campbellsville, Kentucky – Andrew Campbell (founder)
 * Campion, Colorado – John F. Campion (hard rock mine owner and established the sugar beet industry)
 * Camptonville, California – Robert Campton (town blacksmith)
 * Canal Lewisville, Ohio – T.B. Lewis (founder)
 * Canby, California and Canby, Oregon – General Edward Canby
 * Canfield, Ohio – Jonathan Canfield (proprietor)
 * Cannonsburg, Michigan – Le Grand Cannon (resident of Troy, New York)
 * Cannonsville, New York – Benjamin Cannon (landowner)
 * Canonsburg, Pennsylvania – John Cannon (founder) (note the spelling)
 * Canova, South Dakota – Antonio Canova (Italian sculptor)
 * Canterbury, New Hampshire – William Wake, Archbishop of Canterbury
 * Capac, Michigan – Manco Cápac (Incan emperor)
 * Cape Elizabeth, Maine – Elizabeth of Bohemia (sister of King Charles I of England)
 * Cape Girardeau, Missouri – Jean Baptiste de Girardot (French soldier)
 * Cape May, New Jersey – Cornelius Jacobsen May (explorer)
 * Cape Vincent, New York – Vincent, son of Jacques-Donatien Le Ray de Chaumont
 * Captain Cook, Hawaii – Captain James Cook (English explorer)
 * Cardwell, Missouri – Frank Cardwell (resident of Paragould, Arkansas)
 * Caribou, California – Johnny Caribou (early miner)
 * Carlinville, Illinois – Governor Thomas Carlin
 * Carlisle, Massachusetts – Charles Howard, 1st Earl of Carlisle
 * Carlotta, California – Carlotta Vance (founder's daughter)
 * Carnegie, Pennsylvania – Andrew Carnegie
 * Carnesville, Georgia – Col. T.P. Carnes
 * Carolina, Rhode Island – Caroline Hazard (wife of Rowland G. Hazard, mill owner)
 * Carondelet, St. Louis, Missouri – Francisco Luis Héctor de Carondelet
 * Carol Stream, Illinois – (named for founder's daughter)
 * Carr, Colorado – Robert E. Carr (managed the construction of the Union Pacific Railroad rail line through the town)
 * Carroll, New Hampshire – Charles Carroll (a signer of the Declaration of Independence)
 * Carroll Plantation, Maine – Daniel Carroll (a signer of the U.S. Constitution)
 * Carrollton, New York – G. Carroll (landowner)
 * Carson City, Nevada – Kit Carson
 * Carson Hill, California – Sergeant James H. Carson
 * Carter, Kentucky – William G. Carter (state senator)
 * Carter, Tennessee – Gen. Landon Carter
 * Carteret, New Jersey – George Carteret (proprietor of New Jersey) and Philip Carteret (first royal governor of New Jersey)
 * Cartersville, Georgia – Col. F. Carter
 * Caruthers, California – W.A. Caruthers (local farmer)
 * Caruthersville, Missouri – Samuel Caruthers
 * Carver, Massachusetts – John Carver (first Governor of Plymouth Colony)
 * Carver, Minnesota – Capt. Jonathan Carver (explorer)
 * Cary, North Carolina – Samuel Fenton Cary (Prohibition advocate)
 * Caseyville, Kentucky – Col. William Casey
 * Cashion, Oklahoma – Roy Cashion (member of the Rough Riders)
 * Caspar, California – Siegfried Caspar (founder)
 * Casper, Wyoming – Lieutenant Caspar Collins (killed by a group of Indian warriors) (note spelling)
 * Casselton, North Dakota – Gen. George W. Cass (director of the Union Pacific Railroad)
 * Cassville, Wisconsin – Lewis Cass
 * Castine, Maine – Baron Jean-Vincent de St. Castin
 * Castroville, California – Simeon Nepomuceno Castro (landowner)
 * Castroville, Texas – Henri Castro (settler)
 * Catharine, New York – Catherine Montour (note the spelling)
 * Catheys Valley, California – Andrew Cathey (early settler)
 * Cato (town), New York – either Cato the Elder or Cato the Younger
 * Cavalier, North Dakota – Charles Cavalier (settler)
 * Cavendish, Vermont – William Cavendish, 4th Duke of Devonshire
 * Cawker City, Kansas – E.H. Cawker
 * Cazenovia, 4 places in Illinois, Minnesota, New York, and Wisconsin – Theophilus Cazenove (land agent) (The New York town is the original, and the others were named for it).
 * Cecilton, Maryland - Cecil Calvert, 2nd Baron Baltimore
 * Center Harbor, New Hampshire – Col. Joseph Senter (settler) (note the spelling)
 * Chadds Ford Township, Pennsylvania – Francis Chadsey (proprietor)
 * Chalfant Valley, California – Arthur Chalfant (newspaper publisher)
 * Chamberlain, South Dakota – Selah Chamberlain (railroad director)
 * Chambersburg, Pennsylvania – Benjamin Chambers (founder)
 * Chambers Lodge, California – David H. Chambers (lodge builder)
 * Champion, New York – Gen. Henry Champion (settler)
 * Champlain, New York – Samuel de Champlain
 * Chandler, Arizona – Dr. Alexander John Chandler
 * Chandlerville, Illinois – Dr. Charles Chandler (founder)
 * Chandler's Purchase, New Hampshire – Jeremiah Chanler (landowner) (note the spelling)
 * Chanute, Kansas – O. Chanute (engineer with the Leavenworth, Lawrence and Galveston Railroad)
 * Chaplin, Connecticut – Deacon Benjamin Chaplin (early settler)
 * Chapman, Pennsylvania – William Chapman (slate mine owner)
 * Chardon, Ohio – Peter Chardon Brooks (proprietor)
 * Charles Town, West Virginia – Charles Washington (founder; younger brother of George Washington)
 * Charleston, Maine – Charles Vaughan (settler)
 * Charleston, Mississippi – King Charles II of England (indirectly, via Charleston, South Carolina)
 * Charleston, South Carolina – King Charles II of England
 * Charleston, West Virginia – Charles Clendenin (father of Colonel George Clendenin, a landholder who built Fort Lee here)
 * Charlestown, New Hampshire – Admiral Sir Charles Knowles, 1st Baronet of the British Royal Navy
 * Charlestown, Rhode Island – King Charles II of England
 * Charlevoix, Michigan – Francis X. Charlevoix (missionary)
 * Charlotte, Maine – Charlotte Vance (wife of legislator William Vance)
 * Charlotte, New York and Charlottesville, Virginia – Princess Charlotte of Wales
 * Charlotte, North Carolina and Charlotte, Vermont – Charlotte of Mecklenburg-Strelitz (wife of King George III)
 * Charlotte Amalie – Charlotte Amalie of Hesse-Kassel (or Hesse-Cassel)
 * Charlton, Massachusetts – Sir Francis Charlton, 2nd Baronet
 * Chartiers Township, Pennsylvania – Peter Chartier (trader)
 * Chatfield, Minnesota – Judge Andrew Chatfield
 * Chatham, 4 places in Massachusetts, New Hampshire, New Jersey, and New York – William Pitt, 1st Earl of Chatham (Prime Minister of Great Britain)
 * Chaumont, New York – Jacques-Donatien Le Ray de Chaumont (proprietor)
 * Cheney, Kansas – P.B. Cheney (stockholder of the Atchison, Topeka and Santa Fe Railway)
 * Cheney, Washington – Benjamin P. Cheney (founder of the Northern Pacific Railway)
 * Cheneyville, Louisiana – William Cheney (settler)
 * Chester, Vermont – George IV of the United Kingdom, the Earl of Chester (eldest son of George III of the United Kingdom)
 * Chesterfield, Massachusetts and Chesterfield, New Hampshire – Philip Stanhope, 4th Earl of Chesterfield
 * Chichester, New Hampshire – Thomas Pelham-Holles, 1st Duke of Newcastle-upon-Tyne, Earl of Chichester
 * Childress, Texas – George Childress (Texian patriot)
 * Chittenden, Vermont – Thomas Chittenden (one of the Green Mountain Boys and later governor)
 * Chivington, Colorado – John Chivington (soldier and perpetrator of the Sand Creek massacre)
 * Choteau, Montana – Auguste and Pierre Chouteau (founders of St. Louis, Missouri) (note the spelling)
 * Christiana, Delaware and Christiana, Pennsylvania – Queen Christina of Sweden
 * Christiansted – Christian VI of Denmark
 * Churchville, New York – Samuel Church (settler)
 * Cicero, Illinois – Cicero (indirectly, via Cicero, New York)
 * Cicero, New York – Cicero
 * Cincinnati, Ohio – Lucius Quinctius Cincinnatus (indirectly, via the Society of the Cincinnati)
 * Cincinnatus, New York – Lucius Quinctius Cincinnatus
 * Cisco, California – John J. Cisco (treasurer of the railroad)
 * Cisco Grove, California – John J. Cisco (treasurer of the railroad)
 * Clanton, Alabama – James Holt Clanton (Confederate general)
 * Clapper, Missouri – Henry Clapper (railroader)
 * Claraville, California – Clara Munckton (first white woman there)
 * Clarence, Missouri – Clarence Duff (son of John Duff, settler)
 * Clark Fork, Idaho – Governor William Clark
 * Clarkia, Idaho – Governor William Clark
 * Clarks, Nebraska – S.H.H. Clark (superintendent of the Union Pacific Railroad)
 * Clarksburg, California – Robert C. Clark (early settler)
 * Clarksburg, Massachusetts – Nicholas Clark (early settler)
 * Clarksburg, West Virginia – Gen. George Rogers Clark
 * Clarkston, Washington – Governor William Clark
 * Clarkesville, Georgia – Governor John Clarke
 * Clarksville, Indiana – Gen. George Rogers Clark
 * Clarksville, Missouri – Governor William Clark
 * Clarksville, New Hampshire – Benjamin Clark
 * Clarkton, Missouri – Henry E. Clark (contractor)
 * Clay, 4 places in Florida (county), Illinois, Indiana, and Kentucky – Henry Clay (United States Secretary of State in the 19th century)
 * Clayton, California – Joel Henry Clayton (founder)
 * Clayton, Delaware – Thomas Clayton (U.S. senator)
 * Clayton, Georgia – Augustin Smith Clayton (U.S. congressman)
 * Clayton, Missouri – Ralph Clayton
 * Clayton, New York and Clayton, North Carolina – John M. Clayton (U.S. Senator from Delaware)
 * Cleburne, Texas – Patrick Cleburne (Confederate general)
 * Clendenin, West Virginia – Charles Clendenin (father of Colonel George Clendenin)
 * Cleveland, North Carolina and Cleveland, Tennessee – Colonel Benjamin Cleveland
 * Cleveland, Ohio – Moses Cleaveland (note spelling)
 * Cleveland, Texas – Charles Lander Cleveland (local judge)
 * Cleveland, Manitowoc County, Wisconsin – Grover Cleveland
 * Clifford, Michigan – Clifford Lyman (first child born there)
 * Clinton – DeWitt Clinton,      16 places in
 * Arkansas – Connecticut – Illinois – Indiana – Iowa – Louisiana – Maine – Massachusetts – Michigan – Minnesota – Mississippi – Missouri – New Jersey – New York (city and county) – Ohio – Wisconsin
 * Clinton, Kansas – DeWitt Clinton (indirectly, via Clinton, Illinois)
 * Clinton, Montana – General Sir Henry Clinton
 * Clinton, Nebraska – DeWitt Clinton (indirectly, via Clinton, Iowa)
 * Clinton, Dutchess County, New York – George Clinton (early governor of New York)
 * Clinton, Oneida County, New York – George Clinton (early governor of New York)
 * Clinton, North Carolina – American Revolution General Richard Clinton
 * Clinton, Oklahoma – Clinton Irwin (territorial judge)
 * Clinton, South Carolina – Henry Clinton Young (Laurens lawyer who helped lay out the first streets)
 * Clinton, Washington – DeWitt Clinton (indirectly, via Clinton, Lenawee County, Michigan)
 * Clockville, New York – John Klock (landowner) (note the spelling)
 * Clovis, California – Clovis Cole (local farmer)
 * Clymers, Indiana – George Clymer (founder)
 * Clymer, New York – George Clymer (signer of the Declaration of Independence)
 * Coatesville, Pennsylvania – Moses Coates (settler)
 * Cochran, Georgia – Arthur E. Cochran (judge)
 * Cockeysville, Maryland – Thomas Cockey (settler)
 * Coeymans, New York – Barent Peterse Coeymans (landowner)
 * Coffeeville, Mississippi – Gen. John Coffee
 * Coffeyville, Kansas – A.M. Coffey (state legislator)
 * Cokesbury, South Carolina – Bishops Thomas Coke and Francis Asbury
 * Colby, Kansas – J.R. Colby (settler)
 * Colby, Wisconsin – Charles Colby (president of the Wisconsin Central Railroad)
 * Colchester, Vermont – Earl of Colchester
 * Colden, New York – Cadwallader D. Colden (state legislator)
 * Colebrook, New Hampshire – Sir George Colebrooke (landowner) (note the spelling)
 * Coleman, Texas – R.M. Coleman (Texas Ranger)
 * Coleville, California – Cornelius Cole (US Senator)
 * Colesville, New York – Nathaniel Cole (settler)
 * Colfax, 5 places in California, Indiana, Louisiana, Michigan, and Washington – Schuyler Colfax (US Vice President)
 * Collettsville, North Carolina – Colletts family (residents)
 * Collier County, Florida – Barron Collier
 * Collinsville, Illinois – Collins brothers (founders)
 * Colrain, Massachusetts – Lord Coleraine (note spelling)
 * Colquitt, Georgia and Colquitt County, Georgia – U.S. Senator Walter T. Colquitt
 * Colton, New York – Jesse Colton Higley (settler)
 * Columbia, South Carolina – Christopher Columbus
 * Columbus, Georgia and Columbus, Ohio – Christopher Columbus (Italian explorer)
 * Communipaw, New Jersey – Michael Reyniersz Pauw (director of the Dutch West India Company) (note the spelling)
 * Compton, California – Griffith D. Compton (settler)
 * Conklin, New York – Judge John Conklin
 * Connellsville, Pennsylvania – Zachariah Connell (founder)
 * Connersville, Indiana – John Conner (founder)
 * Connersville, Kentucky – Lewis Conner
 * Conroe, Texas – Isaac Conroe (Union Cavalry officer)
 * Constable, New York and Constableville, New York – William Constable (proprietor)
 * Conway, Arkansas – Henry Wharton Conway (territorial delegate to Congress)
 * Conway, Massachusetts and Conway, New Hampshire – General Henry Seymour Conway (Commander in Chief of the British Army)
 * Conway, South Carolina – Gen. Robert Conway (resident)
 * Cooksburg, New York – Thomas B. Cook (landowner)
 * Coolidge, Kansas – Thomas Jefferson Coolidge (president of the Atchison, Topeka and Santa Fe Railway)
 * Coolidge, Arizona – named for 30th President of the United States Calvin Coolidge and the most recent city to be named after a U.S. President
 * Cooper, Maine – General John Cooper (landowner)
 * Cooper River (South Carolina) – Anthony Ashley Cooper, 1st Earl of Shaftesbury
 * Cooperstown, New York – William Cooper
 * Cooperstown, Pennsylvania – William Cooper (founder)
 * Coopersville, Clinton County, New York – Ebenezer Cooper (mill owner)
 * Cope, Colorado – Jonathan Cope (founder)
 * Cope, South Carolina – J. Martin Cope (founder)
 * Coraopolis, Pennsylvania – Cora Watson (wife of landowner)
 * Corbett, Oregon – U.S. Senator Henry W. Corbett
 * Corinna, Maine – Corinna Warren (daughter of Dr. John Warren, landowner)
 * Corinne, Utah – Corinne Williamson (daughter of General J.A. Williamson)
 * Cornelius, Oregon – Col. Thomas R. Cornelius
 * Cornettsville, Indiana – Myer and Samuel Cornett (founders)
 * Corning (city), New York and Corning, Kansas – Erastus Corning (politician)
 * Cornish, New Hampshire – Vice-Admiral Samuel Cornish of the British Royal Navy
 * Cornplanter Township, Venango County, Pennsylvania – Cornplanter (Native American chief)
 * Coronado, California and Coronado, Kansas – Francisco Vázquez de Coronado (explorer)
 * Corpus Christi, Texas – Jesus Christ (Body of Christ)
 * Corrigan, Texas – Pat Corrigan (train conductor)
 * Corry, Pennsylvania – Hiram Corry (landowner)
 * Corsicana, Texas – Corcisana Navarro (wife of landowner)
 * Cortland, New York, Cortlandt, New York, and Cortlandville, New York – Pierre Van Cortlandt (first Lieutenant Governor of New York)
 * Corwin, Ohio – Thomas Corwin (Governor and U.S. Senator)
 * Cottleville, Missouri – Lorenzo Cottle (settler)
 * Cottrell Key, Florida – Jeremiah Cottrell (lighthouse keeper)
 * Coulter, Pennsylvania – Eli Coulter (settler)
 * Coulterville, California – George W. Coulter (early settler)
 * Coupeville, Washington – Captain Thomas Coupe (founder)
 * Courtland, Kansas – Pierre Van Cortlandt (indirectly, via Cortland, New York) (note the spelling)
 * Coutolenc, California – Eugene Coutolenc (early merchant)
 * Covington, 3 places in Georgia, Kentucky, and New York – Gen. Leonard Covington
 * Cowell, California – Joshua Cowell (landowner)
 * Cowles, Nebraska – W.D. Cowles (railroader)
 * Cozad, Nebraska – John J. Cozad (landowner)
 * Crabtree, California – John F. Crabtree (homesteader)
 * Crabtree, Oregon – John J. Crabtree (settler)
 * Craftsbury, Vermont – Ebenezer Crafts (landholder)
 * Craig, Colorado – Rev. Bayard Craig
 * Cranesville, Pennsylvania – Fowler Crane (founder)
 * Crannell, California – Levi Crannell (lumber company president)
 * Cranston, Rhode Island – Gov. Samuel Cranston
 * Crawford, Georgia and Crawford, Maine – William H. Crawford (U.S. Senator, Secretary of War, and Secretary of the Treasury)
 * Crawford's Purchase, New Hampshire – Ethan A. Crawford (landowner)
 * Crawfordsville, Indiana – William H. Crawford (U.S. Senator, Secretary of War, and Secretary of the Treasury)
 * Crawfordsville, Oregon – George F. Crawford (settler)
 * Crawfordville, Georgia – William H. Crawford (U.S. Senator, Secretary of War, and Secretary of the Treasury)
 * Cresson, Pennsylvania and Cressona, Pennsylvania – Elliott Cresson (Philadelphia merchant)
 * Cressey, California – Calvin J. Cressey (landowner)
 * Creswell, North Carolina – Postmaster General John Creswell
 * Crittenden, Kentucky – U.S. Senator John J. Crittenden
 * Crockett, California – Joseph B. Crockett (California Supreme Court judge)
 * Crockett, Texas – Davy Crockett
 * Croghan (town), New York – Col. George Croghan
 * Crook, Colorado – General George Crook (officer during the Civil War and the Indian Wars)
 * Crosbyton, Texas – Stephen Crosby (land office commissioner)
 * Croswell, Michigan – Gov. Charles Croswell
 * Crowley, Polk County, Oregon – Solomon K. Crowley (settler)
 * Crugers, New York – Col. John P. Cruger
 * Cudahy, California – Michael Cudahy
 * Cudahy, Wisconsin – Patrick Cudahy (meatpacker)
 * Cullman, Alabama – Gen. John G. Cullmann (note the spelling)
 * Culloden, Georgia – William Culloden (settler)
 * Cullom, Illinois – Shelby Moore Cullom (U.S. Senator)
 * Culpeper, Virginia – Thomas Colepeper, 2nd Baron Colepeper (note the spelling)
 * Cumberland, Maryland and Cumberland, Rhode Island – Prince William, Duke of Cumberland
 * Cumming, Georgia – Col. William Cumming
 * Cummings, Mendocino County, California – Jonathan Cummings (early settler)
 * Cummington, Massachusetts – Colonel John Cummings (landholder)
 * Cumminsville, Nebraska – J.F. Cummings (county clerk) (note the spelling)
 * Cumminsville, Ohio – David Cummins (settler)
 * Cupertino, California – Joseph of Cupertino
 * Curry Village, California – David A. Curry (founder)
 * Curryville, Missouri – Perry Curry (founder)
 * Curwensville, Pennsylvania – John Curwen
 * Cushing, Maine – Thomas Cushing (statesman and lieutenant governor of Massachusetts)
 * Custer, 5 places in Colorado, Idaho, Montana, Nebraska, and South Dakota – Gen. George Armstrong Custer
 * Cuthbert, Georgia – Col. John Alfred Cuthbert (congressman)
 * Cutler, Maine – Joseph Cutler (settler)
 * Cynthiana, Kentucky – Cynthia and Anna Harris (daughters of landowner)

D

 * Dacono, Colorado – Da isy Baum, Co ra Van Vorhies and No na (or Nora) Brooks (local residents)
 * Dade City, Florida – Major Francis L. Dade
 * Dadeville, Alabama – Major Francis L. Dade
 * Daggett, Indiana – Charles Daggett (resident)
 * Dagsboro, Delaware – Sir John Dagworthy
 * Daisetta, Texas – Dais y Barrett and Etta White (early residents)
 * Dallas, North Carolina and Dallas, Texas – George M. Dallas
 * Dallas Center, Iowa – George M. Dallas
 * Dalton, Massachusetts and Dalton, New Hampshire – Tristram Dalton (Speaker of the Massachusetts House of Representatives)
 * Dalton, Missouri – William Dalton
 * Dandridge, Tennessee – Martha Washington (née Dandridge)
 * Danforth, Maine – Thomas Danforth (proprietor)
 * Danielsville, Georgia – Gen. Allen Daniel Jr.
 * Dansville, Michigan – Daniel L. Crossman (resident)
 * Dansville, Livingston County, New York and Dansville, Steuben County, New York – Daniel P. Faulkner (founder)
 * Danvers, Massachusetts – Danvers Osborn family
 * Danville, California – Daniel Inman (local landowner)
 * Danville, Georgia – Daniel G. Hughes (father of U.S. Representative Dudley Mays Hughes)
 * Danville, Indiana – Daniel Bales (proprietor)
 * Danville, Kentucky – Walker Daniel (founder)
 * Danville, Missouri – Daniel M. Boone (landowner and son of Daniel Boone)
 * Danville, Pennsylvania – Gen. Daniel Montgomery Jr.
 * Danville, Vermont – Jean-Baptiste Bourguignon d'Anville
 * Darkesville, West Virginia – Gen. William Darke
 * Darlington, Pennsylvania – S.P. Darlington (Pittsburgh merchant)
 * Darrah, California – Richard Darrah (first postmaster)
 * Darwin, California – Dr. Darwin French
 * Darwin, Illinois – Charles Darwin
 * Daulton, California – Henry C. Daulton (landowner and politician)
 * Davenport, Iowa – Colonel George Davenport
 * Davenport, Nebraska – Colonel George Davenport (indirectly, via Davenport, Iowa)
 * Davenport, New York – John Davenport (settler)
 * Davidson, North Carolina – Gen. William Lee Davidson
 * Davie, Florida – Randolph P. Davie (developer)
 * Davis, California – Jerome C. Davis (local farmer)
 * Davis, West Virginia – Henry Gassaway Davis (U.S. Senator)
 * Dawson, Illinois – John Dawson (member of "The Long Nine", a group of legislators from Sangamon County)
 * Dawson, Nebraska – Joshua Dawson (settler)
 * Dawsonville, Georgia – William Crosby Dawson (U.S. Senator)
 * Dayton, Maine and Dayton, Ohio – Jonathan Dayton
 * Dayton, Texas – I. C. Day (landowner) (combination of Day's Town)
 * Daytona Beach, Florida – Matthias Day
 * Dearborn, Michigan and Dearborn, Missouri – Henry Dearborn (Revolutionary War general and Secretary of War)
 * Deblois, Maine – T.A. Deblois (president of the Bank of Portland)
 * Decatur, 4 places in Georgia, Illinois, Mississippi, and New York – Stephen Decatur (War of 1812 naval hero)
 * Decatur, Nebraska – Stephen Decatur (one of the village's incorporators)
 * Decorah, Iowa – Decorie (Native American chief)
 * Decoto, California – Ezra Decoto (landowner)
 * Deering, New Hampshire – Frances Deering Wentworth (the maiden name of Governor John Wentworth's wife)
 * Delancey, New York – James De Lancey (landowner)
 * DeLand, Florida – Henry Addison DeLand (founder, also founded Stetson University)
 * Delano, California – Columbus Delano
 * Delavan, Wisconsin – Edward C. Delavan (temperance leader in Albany, New York)
 * Delaware – Thomas West, 3rd Baron De La Warr (note the spelling)
 * De Leon, Texas and DeLeon Springs, Florida – Juan Ponce de León
 * Denison, Iowa – J.W. Denison (founder)
 * Denison, Texas – Rev. C.W. Denison (abolitionist)
 * Denmark, South Carolina – B.A. Denmark (railroader)
 * Denning, New York – William Denning (land purchaser)
 * Dennis, Massachusetts – Josiah Dennis (resident minister)
 * Dennison, Ohio – Gov. William Dennison Jr.
 * Denton, Maryland – Sir Robert Eden, 1st Baronet, of Maryland (colonial governor) (According to, Denton is a short version of the town's original name, Eden Town).
 * Denton, Texas – Capt. John B. Denton
 * Denver, Colorado – James W. Denver
 * Depauville, New York – Francis Depau (proprietor)
 * Depew, New York – Chauncey Depew
 * De Peyster, New York – Frederic de Peyster
 * DeSabla, California – Eugene De Sabla (engineer)
 * De Smet, Idaho and De Smet, South Dakota – Pierre-Jean De Smet (missionary)
 * DeSoto, 4 places in Florida (county), Georgia, Louisiana (parish), and Mississippi (county) – Hernando de Soto
 * Devens, Massachusetts – Charles Devens (Civil War general and jurist)
 * Devine, Texas – Thomas J. Devine (prominent resident of San Antonio)
 * Dewees, Texas – Thomas Dewees and John O. Dewees, Texas cattlemen
 * Deweyville, Texas – Admiral George Dewey (victorious in the Battle of Manila Bay)
 * DeWitt, Illinois and De Witt, Missouri – DeWitt Clinton (governor of New York)
 * DeWitt, New York – Major Moses DeWitt (judge and soldier)
 * Dexter, Maine – Samuel Dexter (early statesman)
 * Dexter, Michigan – Samuel W. Dexter (settler)
 * Dexter, Minnesota – Dexter Parrity (early settler)
 * Dexter, New York – S. Newton Dexter (businessman from Whitesboro, New York)
 * D'Hanis, Texas – William D'Hanis (land agent for Henri Castro)
 * Di Giorgio, California – Joseph Di Giorgio (agricultural entrepreneur)
 * Diamondville, California – James Diamond
 * Dickey, North Dakota – George H. Dickey (state legislator)
 * Dickinson, North Dakota – W.S. Dickinson (founder)
 * Dickson, Tennessee – William Dickson
 * Dighton, Kansas – Francis Deighton (surveyor) (note the spelling)
 * Dighton, Massachusetts – Frances Dighton Williams (wife of Richard Williams, town elder)
 * Diller, Nebraska – H.H. Diller (settler)
 * Dillon, Montana – Sidney Dillon (railroader)
 * Dillon Beach, California – George Dillon (founder)
 * Dillsboro, Indiana – Gen. James Dill (settler)
 * Dillsboro, North Carolina – George W. Dill (settler)
 * Dimond, California – Hugh Dimond (Gold Rush miner and landowner)
 * Dinwiddie, Virginia – Robert Dinwiddie (colonial governor)
 * District of Columbia – Christopher Columbus
 * Dixfield, Maine and Dixmont, Maine – Dr. Elijah Dix (landowner)
 * Dixon, California – Thomas Dickson (donor of land for a railroad depot) (error in the address of the first rail shipment to here [Dicksonville] stuck)
 * Dixon, Illinois – John Dixon (founder)
 * Dixon, Kentucky – Archibald Dixon
 * Dixville, New Hampshire – Timothy Dix, Jr. (grantee)
 * Dobbins, California – William M. and Mark D. Dobbins (early settlers)
 * Dobson, North Carolina – W.P. Dobson (state legislator)
 * Dodge Center, Minnesota and Dodgeville, Wisconsin – Gov. Henry Dodge
 * Dolph, Oregon – Joseph N. Dolph (U.S. Senator)
 * Donaldsonville, Louisiana – William Donaldson
 * Doniphan, 3 places in Kansas, Missouri, and Nebraska – Col. Alexander William Doniphan
 * Donner, California – Donner Party (ill-fated emigrant group)
 * Doral, Florida – Al fred Kaskel and his wife Dor is Bernstein (1906–1988)
 * Dormansville, New York – Daniel Dorman (innkeeper)
 * Dougherty, California – James Witt Dougherty (founder)
 * Douglas, Massachusetts – Dr. William Douglas (Boston physician)
 * Douglas, Wyoming – Stephen A. Douglas
 * Douglas Flat, California – Tom Douglas (early merchant)
 * Douglass, Kansas – Joseph Douglass (founder)
 * Dover-Foxcroft, Maine – Joseph E. Foxcroft (proprietor)
 * Downers Grove, Illinois – Pierce Downer (settler)
 * Downey, California – John G. Downey
 * Downingtown, Pennsylvania – Thomas Downing
 * Downs, Kansas – William F. Downs (Atchison resident)
 * Downsville, New York – Abel Downs (tanner)
 * Doyle, Lassen County, California – Oscar Doyle (landowner)
 * Doylestown, Ohio – William Doyle
 * Doylestown, Pennsylvania – William Doyle (settler)
 * Drakesbad, California – Edward R. Drake (settler and lodge owner)
 * Drakesville, Iowa – John A. Drake (founder)
 * Dresbach Township, Minnesota – George B. Dresbach (founder)
 * Drewry's Bluff, Virginia – Maj. Augustus Drewry
 * Dryden, New York – John Dryden
 * Duane, New York and Duanesburg, New York – James Duane (grantee)
 * DuBois, Pennsylvania – John Dubois (founder)
 * Dubuque, Iowa – Julien Dubuque (early resident)
 * Dudley, Georgia – Dudley Mays Hughes (U.S. Representative)
 * Dudley, Massachusetts – Paul and William Dudley (landowners)
 * Duluth, Georgia – Daniel Greysolon, Sieur du Lhut (indirectly, via Duluth, Minnesota)
 * Duluth, Minnesota – Daniel Greysolon, Sieur du Lhut
 * Dummer, New Hampshire and Dummerston, Vermont – William Dummer (Massachusetts Governor)
 * Dumont, Colorado – John M. Dumont (mine operator)
 * Dunbar, Nebraska – John Dunbar (landowner)
 * Duncombe, Iowa – J.F. Duncombe
 * Dunlap, California – George Dunlap Moss (teacher)
 * Dunlap, Kansas – Joseph Dunlap (trader and founder)
 * Dunlapsville, Indiana – John Dunlap (settler)
 * Dunmore, West Virginia – John Murray, 4th Earl of Dunmore (colonial governor)
 * Dunnigan, California – A. W. Dunnigan (early settler)
 * Dunnsville, New York – Christopher Dunn (landowner)
 * Duplin County, North Carolina – Thomas Hay, Viscount Dupplin
 * Duquesne, Pennsylvania – Michel-Ange Duquesne de Menneville (indirectly, via Fort Duquesne)
 * Durand, Michigan – George H. Durand (U.S. Representative)
 * Durand, Wisconsin – Miles Durand Prindle (settler)
 * Durant, Iowa – Thomas Durant
 * Durham, California – W.W. Durham (member of the California State Assembly)
 * Durham, North Carolina – Bartlett S. Durham (landowner)
 * Duval County, Florida – William Pope DuVal, Governor of Florida Territory from 1822 to 1834
 * Dycusburg, Kentucky – William E. Dycus (founder)
 * Dyersburg, Tennessee – Col. Henry Dyer
 * Dyersville, Iowa – James Dyer (landowner)

E

 * Earling, Iowa – Albert J. Earling, Milwaukee Road officer
 * Earl Park, Indiana – Adams Earl (founder)
 * Earlville, Iowa – G.M. Earl (settler)
 * Earlville, New York – Jonas Earll Jr. (canal commissioner) (note the spelling)
 * East Fallowfield Township, Crawford County, Pennsylvania – Lancelot Fallowfield (landowner)
 * Eastland, Texas – M.W. Eastland
 * Eastman, Georgia – W.P. Eastman
 * Easton, Massachusetts – John Easton (colonial governor of Rhode Island)
 * East St. Louis, Illinois – Saint Louis
 * Eaton, Colorado – Benjamin H. and Aaron J. Eaton (millers)
 * Eaton, New Hampshire – Connecticut Governor Theophilus Eaton
 * Eaton, New York and Eaton, Ohio – Gen. William Eaton
 * Eatonton, Georgia – Gen. William Eaton
 * Ebensburg, Pennsylvania – Eben Lloyd (died in childhood)
 * Eckley, California – Commodore John L. Eckley
 * Eckley, Colorado – Amos Eckles (cattlehand)
 * Eddington, Maine – Colonel Jonathan Eddy (officer in the American Revolution)
 * Eddyville, Iowa – J.P. Eddy (postmaster)
 * Eden, Texas – Fred Ede (landowner)
 * Edgartown, Massachusetts – Edgar Stuart, Duke of Cambridge
 * Edgecomb, Maine – George Edgcumbe, 1st Earl of Mount Edgcumbe (a supporter of the colonists) (note the spelling)
 * Edgerton, Ohio – Alfred Peck Edgerton
 * Edgerton, Wisconsin – E.W. Edgerton (settler)
 * Edison, 3 places in Georgia, New Jersey, and Ohio – Thomas Edison
 * Edmeston, New York – Robert Edmeston (founder)
 * Edna, Kansas – Edna Gragery (child who lived there)
 * Edroy, Texas – Ed Cubage and Roy Miller (co-founders)
 * Edwards, Mississippi – Dick Edwards (Jackson hotelier)
 * Edwards, New York – Edward McCormack (founder's brother)
 * Edwardsport, Indiana – Edwards Wilkins
 * Edwardsville, Illinois – Ninian Edwards (territorial governor)
 * Effingham, Illinois and Effingham County, Illinois – Gen. Edward Effingham
 * Effingham, Kansas – Effingham Nichols (railroader)
 * Effingham, New Hampshire – Howard family, who were Earls of Effingham
 * Egremont, Massachusetts – Charles Wyndham, 2nd Earl of Egremont
 * Ehrenberg, Arizona – Herman Ehrenberg (founder)
 * El Macero, California – Bruce Mace (local landowner)
 * Elberton, Georgia and Elbert County, Georgia – Gov. Samuel Elbert
 * Elbridge, New York – Elbridge Gerry
 * Elizabeth, New Jersey and Elizabethtown, North Carolina – Lady Elizabeth Carteret (wife of colonial proprietor and statesman George Carteret)
 * Elizabeth, Pennsylvania – Elizabeth Bayard (founder's wife)
 * Elizabeth, West Virginia – Elizabeth Beauchamp
 * Elizabeth City, North Carolina – Elizabeth I
 * Elizabethton, Tennessee – Elizabeth MacLin Carter and Elizabeth McNabb (wives of two early settlers)
 * Elizabethtown, Indiana – Elizabeth Branham (founder's wife)
 * Elizabethtown, Kentucky – Elizabeth Hynes (wife of early settler Andrew Hynes)
 * Elkader, Iowa – Abd el-Kader (Algerian patriot)
 * Elkins, West Virginia – Stephen Benton Elkins (U.S. Senator)
 * Ellenburg, New York – Ellen Murray (landowner's daughter)
 * Ellendale, Delaware – Ellen Prettyman (founder's wife)
 * Ellensburg, Washington – Mary Ellen Shoudy (wife of John A. Shoudy, purchaser of local trading post and founder)
 * Ellenville, New York – Ellen Snyder (settler)
 * Ellery, New York – William Ellery
 * Ellicott, New York and Ellicottville, New York – Joseph Ellicott (agent of the Holland Land Company)
 * Ellicott City, Maryland – John, Andrew, and Joseph Ellicott (founders)
 * Ellinwood, Kansas – Col. John R. Ellinwood (engineer for the Atchison, Topeka and Santa Fe Railway)
 * Ellisburg, New York – Lyman Ellis (founder)
 * Ellisville, Mississippi – Powhatan Ellis (U.S. Senator)
 * Ellsworth, Kansas – Lt. Allen Ellsworth
 * Ellsworth, Maine and Ellsworth, New Hampshire – Chief Justice Oliver Ellsworth
 * Elmendorf, Texas – Henry Elmendorf (mayor of San Antonio)
 * Elmira, New York – Elmira Teall (tavernkeeper's daughter)
 * Elmore, Vermont – Colonel Samuel Elmore (landowner)
 * Elsie, Michigan – Elsie Tillotson (pioneer's daughter)
 * Elsie, Nebraska – Elsie Perkins
 * Elyria, Ohio – Heman Ely (1817)
 * Emerick, Nebraska – John Emerick (settler)
 * Emery, South Dakota – S.M. Emery (landowner)
 * Emeryville, California – Joseph Stickney Emery (local landowner)
 * Emlenton, Pennsylvania – Emlen Fox (landowner's wife)
 * Emmett, Michigan and Emmetsburg, Iowa – Robert Emmet (Irish nationalist)
 * Emmitsburg, Maryland – William Emmitt (founder) (note the spelling)
 * Enfield, Massachusetts – Robert Field
 * Ennis, Montana – William Ennis (settler)
 * Enosburgh, Vermont – Roger Enos (landowner)
 * Errol, New Hampshire – James Hay, 15th Earl of Erroll
 * Erving, Massachusetts – John Erving (early farmer landowner)
 * Erwin, New York – Col. Arthur Erwin
 * Eskridge, Kansas – C.V. Eskridge (landowner)
 * Essexville, Michigan – Ransom Essex (settler)
 * Estes Park, Colorado – Joel Estes (founder)
 * Estherville, Iowa – Esther Ridley (landowner's wife)
 * Estill, Kentucky – Capt. James Estill
 * Estill, Missouri – Col. John R. Estill
 * Ethel, Mississippi – Ethel McConnico
 * Euclid, Ohio – Euclid (Greek mathematician)
 * Eudora, Kansas – Eudora Fish
 * Eugene, Oregon – Eugene Franklin Skinner (settler)
 * Eunice, Louisiana – Eunice Pharr Duson (second wife of Curley Duson, the founder of the city)
 * Eustis, Maine – Charles L. Eustis (early proprietor)
 * Evans, Colorado, Evanston, Illinois, and Evanston, Wyoming – Gov. John Evans
 * Evans, New York – David Ellicott Evans (agent of the Holland Land Company)
 * Evans Mills, New York – Ethni Evans (mill owner)
 * Evansville, Indiana – Robert Morgan Evans (founder)
 * Evansville, Wyoming – W.T. Evans (blacksmith)
 * Evart, Michigan – Frank Evart (pioneer)
 * Everett, Massachusetts and Everett, Pennsylvania – Edward Everett (politician and educator)
 * Everett, Washington – Everett Colby (son of Charles Colby, local booster)
 * Ewing Township, New Jersey – Charles Ewing (Chief Justice of the New Jersey Supreme Court)

F

 * Fairbanks, Alaska – Charles W. Fairbanks
 * Fairfax, California – Charles S. Fairfax
 * Fairfax, Virginia and Fairfax County, Virginia – Thomas Fairfax, 6th Lord Fairfax of Cameron
 * Fallon, California – Luke and James Fallon (early settlers)
 * Fallowfield, Pennsylvania – Lancelot Fallowfield (landowner)
 * Fannin, Texas – Col. James Fannin (Texian patriot)
 * Fannett, Texas – B. J. Fannett (local landowner who opened a general store there in the 1890s)
 * Fargo, North Dakota – William Fargo
 * Faribault, Minnesota – Jean-Baptiste Faribault (settler)
 * Farley, Mendocino County, California – Jackson Farley (early settler)
 * Farnham, New York – Le Roy Farnham (merchant)
 * Farragut, Iowa and Farragut, Tennessee – David Farragut
 * Farrandsville, Pennsylvania – William P. Farrand (founder)
 * Farwell, Michigan – Samuel B. Farwell (railroader)
 * Fayette, 12 places in Alabama, Indiana, Iowa, Maine, Michigan, Mississippi, Missouri, New York, Ohio, Utah, West Virginia, and Wisconsin – Gilbert du Motier, marquis de La Fayette
 * Fayetteville, 11 places in Arkansas, Georgia, Illinois, Indiana, New York, North Carolina, Ohio, Pennsylvania, Tennessee, Texas, and West Virginia – Gilbert du Motier, marquis de La Fayette
 * Fayette City, Pennsylvania – Gilbert du Motier, marquis de La Fayette
 * Felix Township, Grundy County, Illinois and Felix Township, Grundy County, Iowa – Felix Grundy (U.S. Senator from Tennessee)
 * Fellows, California – Charles A. Fellows (railroad contractor)
 * Fell's Point, Baltimore, Maryland – William Fell (landowner)
 * Felts Mills, New York – John Felt (proprietor)
 * Fenner, New York – Rhode Island Governor Arthur Fenner
 * Fennville, Michigan – Ethan Fenn (founder)
 * Fenton, New York – Governor Reuben Fenton
 * Ferdinand, Vermont – from one of the titles for Prince Karl Wilhelm Ferdinand of Brunswick-Lunenburg
 * Fernandina Beach, Florida – King Ferdinand VII of Spain
 * Ferrisburgh, Vermont – Benjamin Ferris (founder)
 * Fields Landing, California – Waterman Field (early settler)
 * Fieldville, New Jersey – John Field (early settler)
 * Fincastle, Virginia – George Murray, 5th Earl of Dunmore (son of colonial governor Lord Dunmore and also known by the title Lord Fincastle)
 * Findlay, Ohio – Col. James Findlay (indirectly, via Fort Findlay)
 * Findlay Township, Allegheny County, Pennsylvania – Gov. William Findley (note the spelling)
 * Fine, New York – John Fine (landowner)
 * Finley, California – Samuel Finley Sylar (early settler)
 * Firebaugh, California – Andrew D. Firebaugh
 * Firestone, Colorado – Jacob Firestone (landowner)
 * Fitchburg, Massachusetts – John Fitch (settler)
 * Fithian, Illinois – Dr. William Fithian
 * Fitzwilliam, New Hampshire – William Fitzwilliam, 4th Earl Fitzwilliam (cousin of Governor John Wentworth)
 * Flagler County, Florida – Henry Flagler, built the Florida East Coast Railway
 * Flandreau, South Dakota – Charles Eugene Flandrau
 * Fleming, New York – Gen. George Fleming (resident)
 * Flemingsburg, Kentucky – Col. John Fleming
 * Flora, Mississippi – Flora Jones (resident)
 * Florence, Kansas – Florence Crawford
 * Florence, Kentucky – Florence Conner (wife of early settler)
 * Florence, Omaha, Nebraska – Florence Kilbourn
 * Florence, South Carolina – Florence Hartlee (daughter of a railroad president who lived in the area)
 * Floresville, Texas – Don Francisco Flores de Abrego (early settler)
 * Floyd, Iowa – Charles Floyd (explorer with Lewis and Clark)
 * Floyd, New York – William Floyd (Founding Father)
 * Floyd, Virginia – John Floyd (Virginia politician)
 * Floydada, Texas – Dolphin Floyd (died while defending the Alamo) and Ada Price (wife of a local landholder) (indirectly, via Floyd County, Texas)
 * Fluhr, California – C.G. Fluhr (railroad official)
 * Fonda, New York – Douw Fonda
 * Forbestown, California – B.F. Forbes (local store owner)
 * Ford, Kansas – Col. James Hobart Ford
 * Forsyth, Georgia – Gov. John Forsyth
 * Forsyth, Montana – General James W. Forsyth
 * Fort Atkinson, Wisconsin – Gen. Henry Atkinson
 * Fort Benton, Montana – Thomas Hart Benton
 * Fort Bragg, California - American Army officer and Confederate general Braxton Bragg
 * Fort Collins, Colorado – Colonel William O. Collins
 * Fort Covington, New York – Gen. Leonard Covington
 * Fort Dodge, Iowa – Henry Dodge (U.S. senator from Wisconsin) (indirectly, after the fort named after him)
 * Fort Edward (town), New York – Prince Edward, Duke of York and Albany
 * Fort Fairfield, Maine – Gov. John Fairfield
 * Fort Fetterman, Wyoming – Lt. Col. William J. Fetterman
 * Fort Frederica, Georgia – Frederick, Prince of Wales
 * Fort Gaines, Alabama and Fort Gaines, Georgia – Gen. Edmund P. Gaines
 * Fort Hamilton, New York – Alexander Hamilton
 * Fort John, California – John Stuart
 * Fort Johnston, North Carolina – Gabriel Johnston, 6th Governor of North Carolina
 * Fort Kent, Maine – Edward Kent (governor of Maine)
 * Fort Lauderdale, Florida – Major William Lauderdale
 * Fort Leavenworth, Kansas – Gen. Henry Leavenworth
 * Fort Lee, New Jersey – Charles Lee
 * Fort Lupton, Colorado – Lieutenant Lancaster Lupton (built a trading post here)
 * Fort Madison, Iowa – James Madison
 * Fort Morgan, Colorado – Colonel Christopher A. Morgan
 * Fort Myers, Florida and Fort Myers Beach, Florida – Col. Abraham C. Myers
 * Fort Pierre, South Dakota – Pierre Chouteau Jr.
 * Fort Romie, California – Charles Romie (landowner)
 * Fort Scott, Kansas – Gen. Winfield Scott
 * Fort Seward, California – William H. Seward
 * Fort Sheridan, Illinois – Gen. Philip Sheridan
 * Fort Wayne, Indiana – Anthony Wayne
 * Fort Worth, Texas – William Jenkins Worth
 * Foster, Rhode Island – U.S. Senator Theodore Foster
 * Fostoria, Ohio – Gov. Charles Foster
 * Fouts Springs, California – John F. Fouts (discoverer of the springs)
 * Fowler, California – Thomas Fowler (California State Senator)
 * Fowler, Michigan – John N. Fowler
 * Fowler, New York – Theodocius Fowler (landowner)
 * Fowlerville, Michigan – Ralph Fowler (settler)
 * Fowlerville, Livingston County, New York – Wells Fowler (settler)
 * Foxburg, Pennsylvania – H.M. Fox (landowner)
 * Foxborough, Massachusetts – Charles James Fox
 * Francestown, New Hampshire – Frances Deering Wentworth (Governor John Wentworth's wife)
 * Franceville, Colorado – Matt France
 * Frankfort, Kansas – Frank Schmidt (landowner)
 * Frankfort, Kentucky – Benjamin Franklin
 * Frankfort (town), New York – Lawrence Frank (settler)
 * Franklin – Benjamin Franklin, 36 places in
 * Alabama – Arkansas – Sacramento County, California – Connecticut – Georgia – Idaho – Illinois – Indiana – Iowa – Kentucky – Louisiana – Maine – Massachusetts – Michigan – Minnesota – Missouri – Nebraska – New Hampshire – New Jersey – Franklin County, New York – Macon County, North Carolina – Surry County, North Carolina – Ohio – Cambria County, Pennsylvania – Venango County, Pennsylvania – Tennessee – Texas – Vermont – Virginia – West Virginia – Jackson County, Wisconsin – Kewaunee County, Wisconsin – Manitowoc County, Wisconsin – Milwaukee County, Wisconsin – Sauk County, Wisconsin – Vernon County, Wisconsin
 * Franklin, Delaware County, New York – William Temple Franklin
 * Franklin Lakes, New Jersey – Benjamin Franklin
 * Franklin Park, New Jersey – Benjamin Franklin
 * Franklin Township – Benjamin Franklin, 77 places in
 * DeKalb County, Illinois – DeKalb County, Indiana – Floyd County, Indiana – Grant County, Indiana – Harrison County, Indiana – Hendricks County, Indiana – Henry County, Indiana – Johnson County, Indiana – Kosciusko County, Indiana – Marion County, Indiana – Montgomery County, Indiana – Owen County, Indiana – Pulaski County, Indiana – Putnam County, Indiana – Randolph County, Indiana – Ripley County, Indiana – Washington County, Indiana – Wayne County, Indiana – Allamakee County, Iowa – Appanoose County, Iowa – Bremer County, Iowa – Cass County, Iowa – Clarke County, Iowa – Decatur County, Iowa – Story County, Iowa – Bourbon County, Kansas – Edwards County, Kansas – Franklin County, Kansas – Jackson County, Kansas – Clare County, Michigan – Houghton County, Michigan – Lenawee County, Michigan – Wright County, Minnesota – Bergen County, New Jersey – Gloucester County, New Jersey – Hunterdon County, New Jersey – Somerset County, New Jersey – Warren County, New Jersey – Rowan County, North Carolina – Surry County, North Carolina – Adams County, Ohio – Brown County, Ohio – Clermont County, Ohio – Columbiana County, Ohio – Coshocton County, Ohio – Darke County, Ohio – Franklin County, Ohio – Fulton County, Ohio – Harrison County, Ohio – Jackson County, Ohio – Licking County, Ohio – Mercer County, Ohio – Monroe County, Ohio – Morrow County, Ohio – Portage County, Ohio – Richland County, Ohio – Ross County, Ohio – Shelby County, Ohio – Tuscarawas County, Ohio – Warren County, Ohio – Wayne County, Ohio – Adams County, Pennsylvania – Beaver County, Pennsylvania – Bradford County, Pennsylvania – Butler County, Pennsylvania – Carbon County, Pennsylvania – Chester County, Pennsylvania – Columbia County, Pennsylvania – Erie County, Pennsylvania – Fayette County, Pennsylvania – Greene County, Pennsylvania – Huntingdon County, Pennsylvania – Luzerne County, Pennsylvania – Lycoming County, Pennsylvania – Snyder County, Pennsylvania – Susquehanna County, Pennsylvania – York County, Pennsylvania
 * Franklinton, Louisiana and Franklinton, North Carolina – Benjamin Franklin
 * Frankstown Township, Blair County, Pennsylvania – Stephen Franks (trader)
 * Franktown, Colorado – J. Frank Gardner (resident)
 * Fraser, Delaware County, New York – Hugh Frazer (landowner) (note the spelling)
 * Frederic Township, Michigan – Frederick Barker (pioneer)
 * Frederick, Colorado – Frederick A. Clark (landholder)
 * Frederick, Maryland – Frederick Calvert, 6th Baron Baltimore
 * Fredericksburg, Virginia – Frederick, Prince of Wales
 * Fredericktown, Missouri – George Frederick Bollinger (state legislator)
 * Frederiksted, U.S. Virgin Islands – Frederick V of Denmark
 * Freeborn, Minnesota – William Freeborn (town councillor)
 * Freelandville, Indiana – Dr. John F. Freeland
 * Freemansburg, Pennsylvania – Jacob Freeman
 * Fremont, California, and numerous other Fremonts – John C. Frémont
 * Frenchburg, Kentucky – Richard French (judge)
 * French Mills, New York – Abel French (factory owner)
 * Friant, California – Thomas Friant (lumber company executive)
 * Frye Island, Maine – Captain Joseph Frye
 * Fryeburg, Maine – Captain Joseph Frye
 * Fulford, Colorado – A.H. Fulford (pioneer)
 * Fullerton, California – George H. Fullerton (president of the Pacific Land and Improvement Company)
 * Fullerton, Nebraska – Randall Fuller (stockman)
 * Fulton, South Dakota – Robert Fulton (inventor of the first commercially successful steamboat)
 * Funk, Nebraska – P.C. Funk
 * Funkstown, Maryland – Jacob Funk (landowner)

G

 * Gadsden, Alabama – James Gadsden
 * Gagetown, Michigan – James Gage (settler)
 * Gaines, New York – Gen. Edmund P. Gaines
 * Gainesboro, Tennessee – Gen. Edmund P. Gaines
 * Gainesville, 4 places in Florida, Georgia, New York, and Texas – Gen. Edmund P. Gaines
 * Galen, New York – Galen
 * Galesburg, Illinois – George Washington Gale (founder)
 * Galesville, Wisconsin – George Gale (founder)
 * Gallatin River – Albert Gallatin
 * Gallatin, New York and Gallatin, Tennessee – Albert Gallatin
 * Gallaway, Tennessee – J.M. Gallaway (mill owner)
 * Gallitzin, Pennsylvania – Pierre Gallitzin (founder)
 * Galveston, Texas – Bernardo de Gálvez y Madrid, Count of Gálvez, José de Gálvez, 1st Marquess of Sonora, Matías de Gálvez y Gallardo
 * Gambier, Ohio – James Gambier, 1st Baron Gambier (benefactor of Kenyon College)
 * Gansevoort, New York – Col. Peter Gansevoort (resident)
 * Garberville, California – Jacob C. Garber (first postmaster)
 * Gardiner, Maine – Dr. Sylvester Gardiner (Boston physician)
 * Gardiner, New York – Lieutenant Governor Addison Gardiner
 * Gardiners Island, New York – Lion Gardiner (settler)
 * Gardner, Kansas – Henry Gardner, Governor of Massachusetts
 * Gardner, Massachusetts – Colonel Thomas Gardner (killed during the Battle of Bunker Hill)
 * Garfield, 6 places in Illinois, Kansas, Maine, New Jersey, Mahoning County, Ohio, and Oregon – James A. Garfield
 * Garibaldi, Oregon – Giuseppe Garibaldi
 * Garland, Maine – Joseph Garland (settler)
 * Garland, Texas – Attorney General Augustus Hill Garland
 * Garlock, California – Eugene Garlock (early businessman)
 * Garnett, Kansas – W.A. Garnett (resident of Louisville, Kentucky)
 * Garrett, Indiana and Garrett, Pennsylvania – John W. Garrett (president of the Baltimore and Ohio Railroad)
 * Garretson, South Dakota – A. S. Garretson (banker)
 * Garrison, Texas – Z.B. Garrison (settler)
 * Gary, Indiana – Elbert Henry Gary
 * Garysburg, North Carolina – Roderick B. Gary
 * Gastonia, North Carolina – William Gaston (judge)
 * Gasquet, California – Horace Gasquet (first postmaster)
 * Gates, New York and Gatesville, North Carolina – Gen. Horatio Gates
 * Gaylesville, Alabama – George W. Gayle
 * Gaylord, Kansas – C.E. Gaylord (resident of Marshall County)
 * Gayoso, Missouri – Manuel Gayoso de Lemos (colonial governor)
 * Geary, Kansas – Gov. John W. Geary
 * Geddes, New York – James Geddes (early settler)
 * Gentry, Missouri – Col. Richard Gentry
 * George, Washington – George Washington
 * George West, Texas – George Washington West (founder)
 * Georgetown, California – George Phipps (founder)
 * Georgetown, Colorado – George Griffith (clerk of court)
 * Georgetown, Delaware – George Mitchell (resident)
 * Georgetown, Kentucky and Georgetown, Massachusetts – George Washington
 * Georgetown, Maine and Georgetown, South Carolina – George I of Great Britain
 * Georgetown, Washington, D.C. – George II of Great Britain
 * Georgia (U.S. state) – King George II of Great Britain
 * German, New York – Gen. Obadiah German (landowner)
 * Gerry, New York – Elbridge Gerry
 * Gervais, Oregon – Joseph Gervais (pioneer)
 * Gettysburg, Pennsylvania – Samuel Gettys (settler)
 * Gibbon River – Gen. John Gibbon
 * Gibbon, Oregon – Gen. John Gibbon
 * Gibbonsville, Idaho – Gen. John Gibbon
 * Gibson, Tennessee – Col. Thomas Gibson
 * Gilbert, Arizona – William "Bobby" Gilbert
 * Gilberton, Pennsylvania – John Gilbert (mine owner)
 * Gilchrist County, Florida – Albert W. Gilchrist Governor of Florida from 1909 to 1913
 * Gilford, New Hampshire – S.S. Gillman (settler)
 * Gill, Massachusetts – Moses Gill (lieutenant governor of Massachusetts)
 * Gillette, Wyoming – Weston Gillette (surveyor and civil engineer)
 * Gilman, Colorado – H.H. Gilman (resident)
 * Gilsum, New Hampshire – Samuel Gil bert and his son-in-law, Thomas Sum ner (proprietors)
 * Girard, Pennsylvania – Stephen Girard
 * Girardville, Pennsylvania – Stephen Girard
 * Gladstone, Michigan and Gladstone, North Dakota – William Ewart Gladstone
 * Gladwin, Michigan – Maj. Henry Gladwin
 * Glen, New York – Jacob Glen (resident)
 * Glen Burnie, Maryland – Elias Glenn (district attorney) and his descendants
 * Glens Falls, New York – John Glenn (discoverer)
 * Glennville, California – James M. Glenn (blacksmith)
 * Glocester, Rhode Island – Henry Stuart, Duke of Gloucester (note spelling)
 * Glover, Vermont – Brigadier General John Glover (proprietor)
 * Goddard, Kansas – J.F. Goddard (manager of the Atchison, Topeka and Santa Fe Railway)
 * Godfrey, Illinois – Capt. Benjamin Godfrey
 * Goff, Kansas – Edward H. Goff
 * Goffstown, New Hampshire – Colonel John Goffe (settler) (note spelling)
 * Goldsboro, North Carolina – M.T. Goldsboro
 * Goodhue, Minnesota – James M. Goodhue (journalist)
 * Gorham, Maine and Gorham, New Hampshire – Captain John Gorham (The town in New Hampshire was named for the one in Maine).
 * Gorham, New York – Nathaniel Gorham
 * Gorman Township, Otter Tail County, Minnesota – Gov. Willis A. Gorman
 * Gosnold, Massachusetts – Bartholomew Gosnold (settler)
 * Gouldsboro, Maine – Robert Gould (landholder)
 * Gouverneur, New York – Gouverneur Morris
 * Gove City, Kansas – Capt. Grenville L. Gove
 * Governors Island (Massachusetts) – Gov. John Winthrop (landowner)
 * Governors Island (New York) – Gov. Wouter van Twiller (landowner)
 * Grafton, Massachusetts – Charles FitzRoy, 2nd Duke of Grafton
 * Grafton, New Hampshire – Augustus FitzRoy, 3rd Duke of Grafton (relative of colonial governor Benning Wentworth)
 * Graham, North Carolina – William Alexander Graham (U.S. Senator)
 * Granby, Massachusetts – John Manners, Marquess of Granby (hero of the Seven Years' War)
 * Granby, Vermont – Marquis of Granby
 * Granger, Washington – Walter Granger (superintendent of the Washington Irrigation Company)
 * Grant, 4 places in Humboldt County, California, Iowa, Kansas, and Nebraska – Ulysses S. Grant
 * Grantsville, West Virginia – Ulysses S. Grant
 * Grantham, New Hampshire – Thomas Robinson, 1st Baron Grantham
 * Gratiot, Wisconsin – Col. Henry Gratiot
 * Grattan Township, Michigan – Henry Grattan
 * Gravette, Arkansas – E.T. Gravette
 * Gray, Maine – Thomas Gray (proprietor)
 * Grays Harbor, Washington – Capt. Robert Gray (explorer)
 * Grayson, Kentucky – Col. Robert Grayson
 * Graysville, Indiana – Joe Gray (founder)
 * Great Barrington, Massachusetts – William Barrington, 2nd Viscount Barrington
 * Greeley, Colorado and Greeley, Kansas – Horace Greeley (editor of the New York Tribune)
 * Greeley Center, Nebraska – Peter Greeley
 * Greene, Iowa – George Green (judge) (note the spelling)
 * Greene, Maine and Greene, New York – Nathanael Greene
 * Greeneville, Tennessee – Nathanael Greene
 * Greenleaf, Kansas – A.W. Greenleaf (treasurer of the Union Pacific Railroad)
 * Greensboro, North Carolina – Nathanael Greene
 * Greensboro, Vermont – Timothy Green (landowner)
 * Greensburg, Kansas – Col. D.R. Green
 * Greenup, Kentucky – Gov. Christopher Greenup
 * Greenville, Kentucky and Greenville, North Carolina – Nathanael Greene
 * Greenville, Michigan – John Green (settler)
 * Greenwood, Arkansas – Moses Greenwood (merchant)
 * Greenwood, El Dorado County, California – John Greenwood (early settler)
 * Greenwood, Mississippi – Greenwood LeFlore (Choctaw chief)
 * Greenwood, Nebraska – J.S. Green (settler)
 * Greig, New York – John Greig (U.S. representative)
 * Grestley, California – James Grestley
 * Gridley, California – George W. Gridley (founder)
 * Gridley, Illinois – Asahel Gridley
 * Griffin, Georgia – Gen. Lewis Lawrence Griffin (president of the Macon and Western Railroad)
 * Grimes, Iowa – James W. Grimes (U.S. Senator)
 * Grimesland, North Carolina – Gen. Bryan Grimes
 * Grinnell, Iowa – W.H. Grinnell (resident)
 * Griswold, Connecticut – Governor Roger Griswold
 * Grover, North Carolina and Grover, South Carolina – Grover Cleveland
 * Grundy Center, Iowa – Felix Grundy (U.S. Senator from Tennessee)
 * Guilford, Maine – Moses Guilford Law (first white child born here)
 * Guilford, Vermont – Francis North, 1st Earl of Guilford
 * Gunnison, Colorado – Capt. John Williams Gunnison (explorer)
 * Gunnison Island, Utah – Capt. John Williams Gunnison (explorer)
 * Gunnison River – Capt. John Williams Gunnison (explorer)
 * Guntown, Mississippi – James G. Gunn (early settler)
 * Gurnee, Illinois – Walter S. Gurnee (mayor of Chicago)
 * Gustine, California – Augusta Miller, daughter of Henry Miller (rancher)
 * Guthrie Center, Iowa – Capt. Edwin B. Guthrie
 * Guttenberg, Iowa and Guttenberg, New Jersey – Johannes Gutenberg (note the spelling)

H

 * Hackettstown, New Jersey – Samuel Hackett (early settler)
 * Haddonfield, New Jersey – Elizabeth Haddon) (landowner)
 * Haddon Township, New Jersey – Elizabeth Haddon (landowner)
 * Hagerstown, Maryland – Jonathan Hager
 * Hahns Peak and Hahns Peak Village, Colorado – Joe Hahn (settler)
 * Halcott, New York – George W. Halcott (sheriff)
 * Hale, Missouri – John P. Hale (Carrollton resident)
 * Halifax, Massachusetts and Halifax, Vermont – George Montagu-Dunk, 2nd Earl of Halifax
 * Hallowell, Maine – Benjamin Hallowell (landowner)
 * Hallstead, Pennsylvania – William F. Hallstead (general manager of the Delaware, Lackawanna and Western Railroad)
 * Hallsville, New York – Capt. Robert Hall
 * Hallsville, Texas – Robert Burton Hall (railroader)
 * Halstead, Kansas – Murat Halstead (journalist)
 * Hamden, Connecticut – John Hampden (English statesman) (note spelling)
 * Hamersville, Ohio – Gen. Thomas L. Hamer
 * Hamilton, Georgia – James Hamilton Jr. (Governor of South Carolina)
 * Hamilton, Massachusetts and Hamilton, Ohio – Alexander Hamilton
 * Hamilton, Montana – J.W. Hamilton (provided the right-of-way to the railroad)
 * Hamilton City, California – J.G. Hamilton (sugar company president)
 * Hamilton County, 7 places in Florida, Illinois, Indiana, Kansas, New York, Ohio, and Tennessee – Alexander Hamilton
 * Hamlin, Kansas – Vice President Hannibal Hamlin
 * Hammond, Illinois – Charles Goodrich Hamilton (railroader)
 * Hammond, Indiana – George H. Hammond (Detroit butcher who founded a meat-packing plant here)
 * Hammond, New York – Abijah Hammond (landowner)
 * Hammonton, California – W.P. Hammond (gold mine official)
 * Hampden, Maine and Hampden, Massachusetts – John Hampden (English patriot)
 * Hampton, South Carolina – Gen. Wade Hampton I
 * Hancock, 6 places in Maine, Massachusetts, Michigan, New Hampshire, New York, and Vermont – John Hancock
 * Hanford, California – James Madison Hanford (railroad executive)
 * Hankamer, Texas – I. A. Hankamer (early settler)
 * Hannibal, Missouri and Hannibal, New York – Hannibal
 * Hanson, Massachusetts – Alexander C. Hanson (Maryland newspaper publisher and U.S. Senator)
 * Haralson, Georgia and Haralson County, Georgia – Gen. Hugh A. Haralson (U.S. representative)
 * Harbeson, Delaware – Harbeson Hickman (landowner)
 * Harbin Springs, California – James M. Harbin (discoverer of the springs)
 * Harbine, Nebraska – Col. John Harbine
 * Hardenburgh, New York – Johannes Hardenburgh (landowner)
 * Hardin, Missouri – Gov. Charles Henry Hardin
 * Hardin, Montana – Samuel Hardin (friend of developer Charles Henry Morrill)
 * Hardinsburg, Kentucky – Capt. William Hardin (pioneer)
 * Hardwick, Massachusetts – Philip Yorke, 1st Earl of Hardwicke (note the spelling)
 * Harlan, Iowa – James Harlan (United States Senator)
 * Harlan, Kansas – John C. Harlan (settler)
 * Harlan, Kentucky – Maj. Silas Harlan
 * Harlowton, Montana – Richard A. Harlow (president of the Montana Railroad)
 * Harney, Oregon – Gen. William S. Harney
 * Harpers Ferry, West Virginia – Robert Harper (ferry owner)
 * Harpersfield, New York – Joseph Harper (landowner)
 * Harperville, Mississippi – G.W. Harper (resident)
 * Harrietstown, New York – Harriet Duane (wife of James Duane)
 * Harriman, New York – E. H. Harriman (president of the Union Pacific Railroad)
 * Harrington, Delaware – Samuel M. Harrington (judge)
 * Harrisburg, Inyo County, California – Shorty Harris (gold discoverer)
 * Harrisburg, New York – Richard Harrison
 * Harrisburg, Pennsylvania – John Harris, Sr. (founder)
 * Harrison, Maine – Harrison Gray Otis (landowner)
 * Harrison, New Jersey – William Henry Harrison
 * Harrison, New York – John Harrison (Quaker leader)
 * Harrison Township, New Jersey – William Henry Harrison
 * Harrisonburg, Virginia – Thomas Harrison (early settler who founded the community)
 * Harrisville, New Hampshire – Milan Harris (mill owner)
 * Harrisville, New York – Fosket Harris (settler)
 * Harrisville, Ohio – Meigs Harris (pioneer)
 * Harrisville, West Virginia – Thomas Harris
 * Harrodsburg, Kentucky – Col. James Harrod (settler)
 * Hart's Location, New Hampshire – Colonel John Hart
 * Hartsville, Indiana – Gideon B. Hart (pioneer)
 * Hartwick, New York – Christopher Hartwick (landowner)
 * Harvard, Illinois – John Harvard (indirectly, via Harvard University)
 * Harvard, Massachusetts – John Harvard
 * Hastings, Michigan – Eurotas Hastings (state auditor)
 * Hathaway Pines, California – Robert B. Hathaway (first postmaster)
 * Hattiesburg, Mississippi – Hattie Hardy (wife of pioneer lumberman and civil engineer William H. Hardy)
 * Haugan, Montana – H. G. Haugan (land commissioner of the Chicago, Milwaukee, St. Paul and Pacific Railroad)
 * Havensville, Kansas – Paul E. Havens (Leavenworth resident)
 * Hawesville, Kentucky – Richard Hawes (U.S. representative)
 * Hawkeye, Iowa – Chief Hawkeye
 * Hawley, Massachusetts – Joseph Hawley (local leader in the American Revolution)
 * Hawthorne, New Jersey – Nathaniel Hawthorne
 * Hayden, Colorado – Ferdinand Vandeveer Hayden (geologist)
 * Hayden Hill, California – Ferdinand Vandeveer Hayden (geologist)
 * Hayes, California – William J. Hayes (first postmaster)
 * Hayesville, North Carolina – George W. Hayes (state senator)
 * Hays, Kansas – Gen. William Hays
 * Hayward, California – William Dutton Hayward (early settler)
 * Hayward, Minnesota – David Hayward (settler)
 * Hazard, Kentucky – Commodore Oliver Hazard Perry (hero of the War of 1812)
 * Hazardville, Connecticut – Colonel Augustus George Hazard (gunpowder manufacturer)
 * Hazelton, California – Hazelton Blodget (son of Hugh A. Blodget, oilman)
 * Hazelton, Kansas – Rev. J.H. Hazelton (founder)
 * Hazelrigg, Indiana – H.G. Hazlerigg (founder) (note the spelling)
 * Healdsburg, California – Col. Harmon Heald (settler)
 * Hearst, California – George Hearst
 * Heath, Massachusetts – General William Heath
 * Heber, California – A.H. Heber (development company president)
 * Heber City, Utah – Heber C. Kimball (Mormon leader)
 * Heceta Beach, Oregon – Bruno de Heceta (explorer)
 * Helena, New York – Helena Pitcairn
 * Helm, California – William Helm (early rancher)
 * Henderson, Nevada – U.S. Senator Charles B. Henderson
 * Henderson, Kentucky and Henderson, Tennessee – Col. Richard Henderson
 * Henderson, Nebraska – David Henderson (settler)
 * Henderson, New York – William Henderson (landowner)
 * Hendersonville, North Carolina – North Carolina Chief Justice Leonard Henderson
 * Hendry County, Florida – Major Francis A. Hendry
 * Hennepin, Illinois – Louis Hennepin (explorer)
 * Hennessey, Oklahoma – Pat Hennessey (freighter)
 * Henniker, New Hampshire – John Henniker, 1st Baron Henniker
 * Henrietta, New York – Laura Pulteney, 1st Countess of Bath
 * Henrietta, North Carolina – Henrietta Tanner
 * Hensley, Arkansas – William B. Hensley (founder and landowner)
 * Hepburn, Iowa – William Peters Hepburn (U.S. representative)
 * Hepler, Kansas – B.F. Hepler (resident of Fort Scott)
 * Herington, Kansas – M.D. Herington (founder)
 * Herkimer, New York – Nicholas Herkimer (militia general in the American Revolutionary War)
 * Herlong, California – Capt. Henry W. Herlong (World War II casualty)
 * Herman, Nebraska – Samuel Herman (railroad conductor)
 * Hermann, Missouri – Arminius (Germanic chief)
 * Hernando, Mississippi – Hernando de Soto
 * Hernando County, Florida – Hernando de Soto
 * Hershey, Pennsylvania – Milton S. Hershey (Chocolatier)
 * Hertford County, North Carolina – Francis Seymour-Conway, 1st Marquess of Hertford
 * Heuvelton, New York – Jacob van Heuvel
 * Hewes Point, Maine – Paola Hewes (settler)
 * Heyburn, Idaho – Senator Weldon Brinton Heyburn
 * Hickman, Kentucky – Capt. Paschal Hickman
 * Hickory, Mississippi and Hickory, North Carolina – Andrew Jackson (nicknamed "Old Hickory")
 * Hicksville, New York – Charles Hicks (Quaker cleric)
 * Hicksville, Ohio – Henry W. Hicks (founder)
 * Hildreth, California – Tom Hildreth (founder and merchant)
 * Higginsport, Ohio – Col. Robert Higgins (founder)
 * Hildebran, North Carolina – Pope Gregory VII (né Hildebrand)
 * Hill, New Hampshire – Isaac Hill (governor of New Hampshire)
 * Hillrose, Colorado – Rose Hill Emerson (daughter of early landholder)
 * Hillsboro, Kansas – John G. Hill (mayor)
 * Hillsborough, New Hampshire and Hillsborough, North Carolina – Sir Wills Hill, 1st Marquess of Downshire and 1st Earl of Hillsborough
 * Hillsborough County, Florida – Sir Wills Hill, 1st Marquess of Downshire and 1st Earl of Hillsborough
 * Hinesburg, Vermont – Abel Hine (town clerk)
 * Hinesville, Georgia – Charlton Hines
 * Hinsdale, Massachusetts – Rev. Theodore Hinsdale (woolen mill owner)
 * Hinsdale, New Hampshire – Colonel Ebenezer Hinsdale
 * Hinsdale, New York – Colonel Ebenezer Hinsdale (indirectly, via Hinsdale, New Hampshire)
 * Hiram, Maine – Hiram I (biblical king of Tyre)
 * Hobart, New York – Bishop John Henry Hobart
 * Hobergs, California – Gustave Hoberg (founder, resort owner)
 * Hodgdon, Maine – John Hodgdon (landowner)
 * Hodgenville, Kentucky – Robert Hodgen
 * Hodson, California – J.J. Hodson (copper mining financier)
 * Hoffman Estates, Illinois – Sam and Jack Hoffman (builders)
 * Hoisington, Kansas – A.J. Hoisington (resident of Great Bend)
 * Holbrook, Massachusetts – Elisha N. Holbrook (benefactor)
 * Holden, Massachusetts – Samuel Holden (banker)
 * Holderness, New Hampshire – Robert Darcy, 4th Earl of Holderness
 * Holland, Massachusetts – Henry Fox, 1st Baron Holland (English statesman)
 * Holland Patent, New York – Henry Fox, 1st Baron Holland (landowner)
 * Holley, New York – Myron Holley (canal commissioner)
 * Holliday, Missouri – Samuel Holliday (resident of St. Louis)
 * Hollidaysburg, Pennsylvania – Adam and William Holliday (founders)
 * Hollis, New Hampshire – John Holles, Earl of Clare (ancestor of colonial governor Benning Wentworth) (note the spelling)
 * Holliston, Massachusetts – Thomas Hollis, Esq. of London, England (a benefactor of Harvard College)
 * Holmesville, Nebraska – L.M. Holmes (founder)
 * Holmesville, Ohio – Maj. Andrew Holmes
 * Holt, Missouri – Jerry Holt (landowner)
 * Holton, Kansas – Edward Holton
 * Holts Summit, Missouri – Timothy Holt
 * Holyoke, Massachusetts — Elizur Holyoke, (colonist, scribe and surveyor)
 * Homer, New York – Homer (Greek poet)
 * Honesdale, Pennsylvania – Philip Dale (canal builder)
 * Hood River, Oregon – Alexander Hood, 1st Viscount Bridport
 * Hookstown, Pennsylvania – Matthias Hook (resident)
 * Hookton, California – John Hookton (founder)
 * Hoover, Alabama – William H. Hoover (1890–1979), a local insurance of Alabama
 * Hoover, Indiana – Riley Hoover (founder)
 * Hoover Town, West Virginia – Herbert Hoover
 * Hopkinsville, Kentucky – General Samuel Hopkins
 * Hopkinton, Massachusetts – Edward Hopkins (benefactor of Harvard University)
 * Hopkinton, New Hampshire – Edward Hopkins (benefactor of Harvard University) (indirectly, via Hopkinton, Massachusetts)
 * Hopkinton, New York – Roswell Hopkins (settler)
 * Hopkinton, Rhode Island – Gov. Stephen Hopkins
 * Horace, Kansas – Horace Greeley
 * Hornbeak, Tennessee – Frank Hornbeak (store owner, postmaster)
 * Hornby, New York – John Hornby (landowner)
 * Hornellsville, New York – George Hornell (settler)
 * Hornersville, Missouri – William H. Horner (founder)
 * Horstville, California – E. Clemons Horst (rancher)
 * Horton, Kansas – A.H. Horton (judge)
 * Houlton, Maine – Joseph Houlton (settler)
 * Hounsfield, New York – Ezra Hounsfield (landowner)
 * Houston, Delaware – John W. Houston
 * Houston, Minnesota, Houston, Mississippi, and Houston, Texas – Sam Houston
 * Houstonia, Missouri – Sam Houston
 * Howard, Kansas – General Oliver Otis Howard
 * Howard, Brown County, Wisconsin and Howard, Chippewa County, Wisconsin – Brigadier General Benjamin Howard (officer in the War of 1812)
 * Howard Springs, California – C.W. Howard (resort owner)
 * Howards Grove, Wisconsin – H.B. Howard (hotelier and postmaster)
 * Howell, Evansville, Indiana – Capt. Lee Howell (railroader)
 * Howell Township, New Jersey – Gov. Richard Howell
 * Howland, Maine – John Howland (Mayflower passenger)
 * Hoxie, Kansas – H.M. Hoxie (general manager of the Missouri Pacific Railroad)
 * Hubbard, Nebraska – Asahel W. Hubbard (judge)
 * Hubbardston, Massachusetts – Thomas Hubbard (Massachusetts Speaker of the House of Representatives and landowner)
 * Hubbardton, Vermont – Thomas Hubbard (landholder)
 * Hudson, Maine – Charles Hudson (indirectly, via Hudson, Massachusetts)
 * Hudson, Massachusetts – Charles Hudson (United States Representative)
 * Hudson, New York – Henry Hudson
 * Hudson, Ohio – David Hudson (settler)
 * Hudson River – Henry Hudson
 * Hugoton, Kansas – Victor Hugo
 * Hull, Iowa – John Hull
 * Humble, Texas – Pleasant Smith "Plez" Humble (postmaster)
 * Humboldt, Kansas and Humboldt, South Dakota – Alexander von Humboldt (German scientist, explorer and diplomat)
 * Hummelstown, Pennsylvania – Frederick Hummel (founder)
 * Humphrey, New York – Charles Humphrey (state legislator)
 * Humphreys Station, California – John W. Humphreys (pioneer)
 * Humphreysville, Connecticut – David Humphreys
 * Hunnewell, Kansas and Hunnewell, Missouri – H.H. Hunnewell (banker)
 * Hunter, New York – John Hunter (landowner)
 * Huntingdon, Pennsylvania – Selena Hastings, Countess of Huntingdon
 * Huntingdon, Tennessee – Memucan Hunt (landowner)
 * Huntington, Massachusetts – Charles P. Huntington
 * Huntington, Oregon – J.B. Huntington (landowner)
 * Huntington, Vermont – Josiah, Charles and Marmaduke Hunt (landholders)
 * Huntington, West Virginia – Collis P. Huntington
 * Huntington Beach, California – Henry E. Huntington
 * Huntley, Montana – S.O. Huntley (partner in the stagecoach firm of Clark & Huntley)
 * Huntsville, Alabama – John Hunt (settler)
 * Huntsville, Missouri – David Hunt (settler)
 * Hurley, New York – Francis Lovelace, Baron Hurley of Ireland
 * Hustisford, Wisconsin – John Hustis (settler)
 * Hutchinson, Kansas – C.C. Hutchinson (founder)
 * Hyannis, Massachusetts – Iyannough (sachem of the Cummaquid Native American tribe)
 * Hyde Park, Vermont – Captain Jedediah Hyde (landowner)
 * Hydesville, California – John Hyde (local landowner)
 * Hysham, Montana – Charlie J. Hysham (cattleman)

I

 * Iliff, Colorado – John Wesley Iliff (cattleman)
 * Ingalls, Oklahoma – John James Ingalls (U.S. Senator from Kansas)
 * Inman, Kansas – Maj. Henry Inman
 * Inman, Nebraska – W.H. Inman (settler)
 * Iola, Kansas – Iola Colborn
 * Ira, Vermont – Ira Allen (one of the Green Mountain Boys and brother of Ethan Allen)
 * Irasburg, Vermont – Ira Allen (landholder, one of the Green Mountain Boys and brother of Ethan Allen)
 * Ireland, Texas - John Ireland
 * Irvine, California – James Irvine I (landowner)
 * Irvine, Kentucky – Col. William Irvine
 * Irving, Kansas – Washington Irving
 * Irving Park, Chicago - Washington Irving
 * Irvington, New Jersey and Irvington, New York – Washington Irving
 * Irwin, California – W.A. Irwin (founder)
 * Irwinton, Georgia – Gov. Jared Irwin
 * Isabella, California, Isabella County, Michigan & Isabella Township, Michigan - Isabella I of Castile
 * Isle La Motte, Vermont – Captain La Motte (established Fort Sainte Anne on this island)
 * Ives Grove, Wisconsin - Joseph Ives

J

 * Jackson, California – Colonel Alden Jackson
 * Jackson, Maine – General Henry Jackson
 * Jackson, Burnett County, Wisconsin – Stonewall Jackson
 * Jackson, Wyoming – Davey Jackson
 * Jackson – Andrew Jackson, 14 places in
 * Alabama – Georgia – Kentucky – Louisiana – Michigan – Minnesota – Mississippi – Missouri – New Hampshire – New Jersey – New York – Ohio – Tennessee – Washington County, Wisconsin
 * Jacksonville, Arkansas – Nicholas and Elizabeth Jackson (landowners)
 * Jacksonville, Texas – Jackson Smith (soldier)
 * Jacksonville – Andrew Jackson, 7 places in
 * Alabama – Florida – Illinois – Missouri – North Carolina – Oregon – Pennsylvania
 * Jacobs Corner, California – Mattie Jacobs (first postmaster)
 * Jaffrey, New Hampshire – George Jaffrey (member of a wealthy Portsmouth family)
 * Jamesburg, California – John James (founder)
 * Jamestown, Indiana – James Mattock (founder)
 * Jamestown, Kansas – James P. Pomeroy (railroader)
 * Jamestown, New York – James Prendergast (settler)
 * Jamestown, Rhode Island – James II of England
 * Jamestown, Virginia – James I of England
 * Jamesville, New York – James De Witt
 * Janesville, California – Jane Bankhead (early settler)
 * Janesville, Wisconsin – Henry Janes (early settler and first postmaster)
 * Jasonville, Indiana – Jason Rogers (founder)
 * Jasper, 3 places in Georgia, New York, and Texas – William Jasper (American Revolution hero)
 * Jay, Maine, Jay, New York, and Jay, Vermont – John Jay (the first chief justice of the Supreme Court)
 * Jean, Nevada – Jean Fayle (wife of postmaster George Fayle)
 * Jefferson, Maine, Jefferson, New Jersey, and Jefferson, New Hampshire – Thomas Jefferson
 * Jefferson City, Missouri – Thomas Jefferson
 * Jefferson County, Thomas Jefferson, 19 places in
 * Arkansas – Colorado – Florida – Georgia – Illinois – Indiana – Iowa – Kansas – Kentucky – Mississippi – Missouri – Montana – New York – Pennsylvania – Tennessee – Washington – West Virginia – Wisconsin
 * Jeffersonville, Georgia – Thomas Jefferson
 * Jekyll Island, Georgia – Sir Joseph Jekyll
 * Jenny Lind, California – Jenny Lind
 * Jeromesville, Ohio – John Baptiste Jerome (trader)
 * Jesup, Iowa – Morris Ketchum Jesup
 * Jesus Maria, California – Jesus Maria (local farmer)
 * Jetmore, Kansas – Col. A.B. Jetmore
 * Jewell, California – Omar Jewell (local rancher)
 * Jewell, Kansas – Lt. Col. Lewis R. Jewell
 * Jewett, New York – Freeborn G. Jewett (judge)
 * Jewett, Ohio – T.M. Jewett (railroader)
 * Jim Thorpe, Pennsylvania – Jim Thorpe
 * Joaquin, Texas – Joaquin Morris (grandson of Benjamin Franklin Morris, who donated the land for the site)
 * Joe, Montana – Joe Montana
 * Joe Walker Town, California – Joe Walker
 * Johnsburg, New York – John Thurman (settler)
 * Johnson, Nebraska – Julius A. Johnson (landowner)
 * Johnson, Vermont – William Samuel Johnson (landowner)
 * Johnson City, Kansas – Col. Alexander S. Johnson
 * Johnston, Rhode Island – Augustus Johnston (colonial attorney general)
 * Johnston County, North Carolina – Gabriel Johnston, 6th Governor of North Carolina
 * Johnstonville, California – Robert Johnston (town developer)
 * Johnstown, Colorado – John Parish (father of Harvey J. Parish, who platted the town)
 * Johnstown (city), New York – Sir William Johnson, 1st Baronet (founder)
 * Johnstown, Pennsylvania – Joseph Jahns (settler) (note the spelling)
 * Joliet, Illinois – Louis Jolliet (note the spelling)
 * Jonesboro, Maine – John Coffin Jones (landholder)
 * Jonesborough, Tennessee – William Jones (statesman)
 * Jonesport, Maine – John Coffin Jones (landholder)
 * Jonesville, Indiana – Benjamin Jones (founder)
 * Jonesville, Virginia – Frederick Jones (landowner)
 * Joplin, Missouri – Rev. H.G. Joplin (resident) (indirectly, via Joplin Creek)
 * Joplin Creek, Missouri – Rev. H.G. Joplin (resident)
 * Jordan, Montana – Arthur Jordan (founder)
 * Judith River – Judith Hancock
 * Judsonia, Arkansas – Rev. Adoniram Judson (missionary)
 * Judsonville, California – Egbert Judson (part owner of local mine)
 * Julesburg, Colorado – Jules Beni (established a trading post here)
 * Jump-off Joe – Joe McLaughlin (trapper)
 * Juneau, Alaska – Joe Juneau (prospector)
 * Juneau, Wisconsin – Solomon Juneau (founder of Milwaukee)

K

 * Kamrar, Iowa – J.L. Kamrar (judge)
 * Kanawyers, California – Peter Apoleon Kanawyer (founder)
 * Kaneville, Illinois – Gen. Thomas L. Kane
 * Karnes City, Texas – Henry Karnes (Texas patriot)
 * Kaufman, Texas – David S. Kaufman (U.S. representative)
 * Kearney, Missouri – Charles E. Kearney, the president of the Hannibal and Saint Joseph Railroad
 * Kearney, Nebraska – Gen. Philip Kearny (note the spelling)
 * Kearny, New Jersey – Gen. Philip Kearny
 * Keene, California – James R. Keene (financier)
 * Keene, New Hampshire – Sir Benjamin Keene (English minister to Spain and West Indies trader)
 * Keenesburg, Colorado – Les Keene (settler)
 * Keeseville, New York – Richard Keese (founder)
 * Keizer, Oregon – Thomas Dove Keizur
 * Kelleys Island, Ohio – Datus and Irad Kelly (landowners) (note the spelling)
 * Kellogg, Idaho – Noah Kellogg (prospector)
 * Kelsey, California – Benjamin Kelsey (founder)
 * Kelso, California – Napoleon B. Kelso (first postmaster)
 * Kenansville, North Carolina – James Kenan (U.S. representative)
 * Kendall, New York – Postmaster General Amos Kendall
 * Kennard, Nebraska – Thomas P. Kennard (secretary of state of Nebraska)
 * Kenedy, Texas – Mifflin Kenedy (rancher, steamboat owner and railroad investor)
 * Kenner, Louisiana – Duncan F. Kenner (lawyer)
 * Kensington, New Hampshire – Edward Rich, 8th Earl of Warwick and Baron Kensington (owner of Kensington Palace in London)
 * Kent, Ohio – Marvin Kent
 * Kentfield, California – Albert Emmet Kent (landowner)
 * Kenton, Ohio – Gen. Simon Kenton
 * Keough Hot Springs, California – Philip P. Keough (resort owner)
 * Keokuk, Iowa – Keokuk (Sauk leader)
 * Kerman, California – W.G. Ker ckhoff and Jacob Man sar (promoters)
 * Kettleman City, California – Dave Kettleman (early rancher)
 * Keyesville, California – Richard M. Keyes (gold discoverer in Kern County)
 * Kiester, Minnesota – Jacob Kiester (county historian)
 * Kilbourn City, Wisconsin – Byron Kilbourn (pioneer)
 * Kilbuck Township, Allegheny County, Pennsylvania – chieftain of the Lenape
 * Kimball, South Dakota – J.W. Kimball (surveyor)
 * Kincaid, Kansas – Robert Kincaid (resident of Mound City)
 * King City, California – Charles King (founder)
 * King County, Washington - Rev. Dr. Martin Luther King (originally for Vice President William R. King)
 * King of Prussia, Pennsylvania – after a local tavern named after Frederick II of Prussia
 * Kingfield, Maine – William King (future governor of Maine)
 * Kingman, Kansas – Samuel Austin Kingman (judge)
 * Kingman, Maine – R.S. Kingman
 * Kingsbury Plantation, Maine – Judge Sanford Kingsbury (landowner)
 * Kingsley, Michigan – Judson Kingsley (landowner)
 * Kingston, Georgia – J.P. King (resident of Augusta)
 * Kingston, Massachusetts – Evelyn Pierrepont, 1st Duke of Kingston-upon-Hull
 * Kingston, Missouri – Gov. Austin Augustus King
 * Kingsville, Missouri – Gen. William M. King (resident)
 * Kingsville, Texas – Captain Richard King (owner of the King Ranch)
 * Kinman Pond, California – Seth Kinman (settler)
 * Kinsley, Kansas – W.E.W. Kinsley (resident of Boston, Massachusetts)
 * Kinston, North Carolina – George III
 * Kirbyville, Texas – John Henry Kirby (lumber businessman)
 * Kirkland, New York – Rev. Samuel Kirkland
 * Kirklin, Indiana – Nathan Kirk (founder)
 * Kirksville, Missouri – Jesse Kirk
 * Kirkwood, California – Zack Kirkwood (rancher and early settler)
 * Kirkwood, Delaware and Kirkwood, Ohio – Maj. Robert Kirkwood (officer in the American Revolutionary War)
 * Kirtland, Ohio – Turhand Kirtland (principal of the Connecticut Land Company)
 * Kirwin, Kansas – Col. John Kirwin
 * Kiryas Joel, New York – Joel Teitelbaum (rabbi of Satmar)
 * Kit Carson, California and Kit Carson, Colorado – Kit Carson
 * Klej Grange, Maryland – K atherine (1866-1918), L ucy (1867-1943), E lizabeth (1868-1944), and J osephine Drexel (1878-1966) (daughters of Joseph William Drexel)
 * Kneeland, California – John A. and Tom Kneeland (first settlers)
 * Knights Landing, California – Dr. William Knight (early settler)
 * Knightsen, California – George W. Knight (town founder) and his wife Christina Christen sen
 * Knightsville, Indiana – A.W. Knight (founder)
 * Knowles, California – F.E. Knowles (granite quarry owner)
 * Knox, Maine – General Henry Knox
 * Knoxville, California – Ranar B. Knox, first postmaster
 * Knoxville, 4 places in Georgia, Mississippi, Albany County, New York, and Tennessee – Henry Knox
 * Knoxville, Pennsylvania – John C. Knox (judge)
 * Kokomo, Indiana – Ma-Ko-Ko-Mo (Miami tribal chief)
 * Kortright, New York – Lawrence Kortright (patentee)
 * Kosciusko, Mississippi – Tadeusz Kościuszko
 * Kossuth, Mississippi and Kossuth, Ohio – Lajos Kossuth
 * Kotzebue, Alaska – Otto von Kotzebue
 * Kountze, Texas – Herman and Augustus Kountze (financial backers of the Sabine and East Texas Railroad)
 * Kranzburg, South Dakota – Nicholas Friedrich Wilhelm, Johann, Mathais, and Paul Ferdinand Kranz (settlers)
 * Kyle, Texas – Captain Fergus Kyle (founder)

L

 * Laceyville, Ohio – Maj. John S. Lacey
 * Laclede, Missouri – Pierre Laclède (founder of St. Louis)
 * La Conner, Washington – J.J. Connor (settler) (note the spelling)
 * Laddonia, Missouri – Amos Ladd (settler)
 * Laddville, California – Alphonso Ladd (founder)
 * Lafayette, Colorado – Lafayette Miller (settler and husband of Mary Miller, who platted the town)
 * Lairds Landing, California – George and Charles Laird (early settlers)
 * Lairdsville, New York – Samuel Laird (settler)
 * Lake Ann, Michigan – Ann Wheelock (settler's wife)
 * Lake Charles, Louisiana – Charles Sallier
 * Lake Helen, Florida – Helen DeLand (founder's daughter)
 * Lake Lanier (Georgia) – Sidney Lanier (poet)
 * Lake Wilson, Minnesota – Jonathan E. Wilson (landowner)
 * Lakin, Kansas – David L. Lakin (resident of Topeka)
 * Missouri - Mirabeau B. Lamar
 * Lamar, 3 places in Colorado and Mississippi – L.Q.C. Lamar
 * Lamar River (Wyoming) – L.Q.C. Lamar
 * Lamartine, Wisconsin – Alphonse de Lamartine (French historian)
 * Lambertville, New Jersey – John Lambert (settler)
 * Lamoine, Maine – DeLamoine (early landowner)
 * Lamy, New Mexico – Archbishop Jean-Baptiste Lamy
 * Lanare, California – L.A. Nares (developer)
 * Landaff, New Hampshire – Bishop of Llandaff (Llandaff is the spelling of the name on the town charter)
 * Landisburg, Pennsylvania – James Landis (founder)
 * Lanesborough, Massachusetts – James Lane, 2nd Viscount Lanesborough
 * Lanesboro, Pennsylvania – Martin Lane (settler)
 * Langdon, New Hampshire – Governor John Langdon
 * Langhorne, Pennsylvania – Jeremiah Langhorne (jurist)
 * Lanier, Georgia – Clement Lanier
 * Lansingburgh, New York – Abraham Lansing (founder)
 * Laramie River (Ohio) – Pierre-Louis de Lorimier (French fur trader)
 * Laramie, Wyoming – Jacques La Ramée (French-Canadian fur trader)
 * Larned, Kansas – Gen. B.F. Larned
 * Larrabee, Iowa – Gov. William Larrabee
 * LaSalle, Illinois – René-Robert Cavelier, Sieur de La Salle (explorer)
 * Lassen Peak (California) – Peter Lassen (explorer)
 * Latrobe, California and Latrobe, Pennsylvania – Benjamin Henry Latrobe, II
 * Latty, Ohio – A.S. Latty (settler)
 * Lauderdale, Mississippi – Col. James Lauderdale
 * Laughlin, California – James H. Laughlin, Jr. (landowner)
 * Laughlin, Nevada – Don Laughlin (founder)
 * Laurens, South Carolina – Henry Laurens
 * Lavers' Crossing, California – David Lavers (founder)
 * Lawrence, Kansas – Amos Lawrence
 * Lawrence, Massachusetts – Abbott Lawrence (founder)
 * Lawrenceburg, Tennessee – Capt. James Lawrence
 * Lawrenceville, Georgia – Capt. James Lawrence
 * Lawson, Colorado – Alexander Lawson (innkeeper)
 * Lawton, Michigan – Nathaniel Lawton (landowner)
 * Laytonville, California – F.B. Layton (founder)
 * Le Claire, Iowa – Antoine Le Claire (founder of Davenport)
 * Le Grand, California – William Legrand Dickinson
 * Le Mars, Iowa – L ucy Underhill, E lizabeth Parson, M ary Weare, A nna Blair, R ebecca Smith and S arah Reynolds (the first initials of six women aboard on a railroad excursion)
 * Le Ray, New York – Le Ray Chaumont
 * Le Raysville, Pennsylvania – Vincent le Ray (landowner's son)
 * Leakesville, Mississippi – Gov. Walter Leake
 * Leavenworth, Kansas – Gen. Henry Leavenworth (indirectly, via Fort Leavenworth)
 * Leavitt, California – May F. Leavitt (first postmaster)
 * Lebec, California – Peter Lebeck (killed by a bear nearby in 1837)
 * Lecompton, Kansas – Judge D.S. Lecompte
 * Ledyard, Connecticut – Col. William Ledyard (state militiaman)
 * Ledyard, New York – Benjamin Ledyard (land agent)
 * Lee, California – Dick Lee (discoverer of gold at the site)
 * Lee, Maine – Stephen Lee (settler)
 * Lee, Massachusetts, Lee, New Hampshire, and Lee, New York – General Charles Lee
 * Leechburg, Pennsylvania – David Leech
 * Lee Vining, California – Leroy Vining (founder)
 * Leesville, California – Lee Harl (local landowner)
 * Leicester, Massachusetts – Robert Dudley, 1st Earl of Leicester
 * Leitchfield, Kentucky – Maj. David Leitch
 * Leland, Illinois – Edwin S. Leland
 * Lemoore, California – Dr. Lovern Lee Moore (early settler)
 * Lempster, New Hampshire – from one of the titles of Sir Thomas Farmer of a "Lempster" in England
 * Lennox, South Dakota – Ben Lennox (railroad official)
 * Lenoir, North Carolina – Gen. William Lenoir
 * Lenora, Kansas – Lenora Hauser
 * Lenox, Massachusetts – Charles Lennox, 3rd Duke of Richmond (note the spelling)
 * Leon, Iowa – David Camden de Leon
 * Leon, Kansas – Juan Ponce de León or after the Iowan town
 * Leonard, Michigan – Leonard Rowland
 * Leonardville, Kansas – Leonard T. Smith (railroader)
 * Leopold, Indiana – Leopold I of Belgium
 * Le Roy, New York – Herman Le Roy (landowner)
 * Letcher, California – F.F. Letcher (county supervisor)
 * Leverett, Massachusetts – John Leverett (twentieth governor of the Massachusetts Bay Colony)
 * Levittown, 2 places in New York and Pennsylvania – William Levitt
 * Lewis and Clark River (Oregon) – Capt. Meriwether Lewis and William Clark (explorers)
 * Lewis, Vermont – Nathan, Sevignior and Timothy Lewis (landholders)
 * Lewisboro, New York – John Lewis (resident)
 * Lewisburg, West Virginia – Samuel Lewis
 * Lewiston, Idaho – Meriwether Lewis
 * Lewiston, Minnesota – Johnathan Smith Lewis (settler)
 * Lewiston (town), New York – Gov. Morgan Lewis
 * Lewistown, Ohio – Capt. John Lewis (Shawnee chief)
 * Lewistown, Pennsylvania – William Lewis
 * Lila C, California – Lila C. Coleman (mine owner's daughter)
 * Lillis, California – Simon C. Lillis (ranch superintendent)
 * Ligonier, Pennsylvania – John Ligonier, 1st Earl Ligonier
 * Lillington, North Carolina – Col. Alexander Lillington
 * Limon, Colorado – John Limon (or Lymon) (railroad construction supervisor)
 * Lincklaen, New York – John Lincklaen (landowner)
 * Lincoln, Alabama and Lincoln, Vermont – Major General Benjamin Lincoln
 * Lincoln, California – Charles Lincoln Wilson (one of the organizers and directors of the California Central Railroad)
 * Lincoln, Illinois, Lincoln, Nebraska, and Lincoln, Rhode Island – Abraham Lincoln
 * Lincoln, Maine – Enoch Lincoln (Maine's sixth governor)
 * Lincoln, New Hampshire – Henry Fiennes Pelham-Clinton, 2nd Duke of Newcastle, 9th Earl of Lincoln
 * Lincoln Center, Kansas – Abraham Lincoln (indirectly, via Lincoln County, Kansas)
 * Lincolnton, Georgia and Lincolnton, North Carolina – Major General Benjamin Lincoln
 * Lincolnville, Maine – Major General Benjamin Lincoln (landowner)
 * Lincolnville, South Carolina – Abraham Lincoln
 * Lindley, New York – Col. Eleazar Lindley
 * Linn, Missouri – Lewis F. Linn (U.S. Senator)
 * Linneus, Missouri – Lewis F. Linn (U.S. Senator)
 * Litchfield, California – Thomas Litch (pioneer)
 * Litchfield, New Hampshire – George Henry Lee, Earl of Litchfield
 * Littleton, Colorado – Richard S. Little
 * Littleton, Massachusetts – George Lyttelton, 1st Baron Lyttelton (note the spelling)
 * Littleton, New Hampshire – Col. Moses Little
 * Livermore, California – Robert Livermore
 * Livermore, Maine – Deacon Elijah Livermore (early settler)
 * Livermore Falls, Maine – Deacon Elijah Livermore (early settler)
 * Livingston, California – Charles C. Livingston (railroad official)
 * Livingston, Montana – Johnston Livingston (Northern Pacific Railway stockholder and director)
 * Livingston, New Jersey – William Livingston
 * Locke, New York – John Locke
 * Lockwood, 3 places in California, New York, and West Virginia – Belva Ann Lockwood
 * Logan Creek Dredge (Nebraska) – Logan Fontenelle (Omaha chief)
 * Logan, Montana – Captain William Logan (died in the Battle of the Big Hole)
 * Logansport, Indiana – Captain Logan (Native American chief)
 * Longmont, Colorado – Stephen Harriman Long (explorer) (indirectly, via Longs Peak)
 * Longs Peak (Colorado) – Stephen Harriman Long (explorer)
 * Longville, California – W.B. Long (early hotel and saw mill owner)
 * Loomis, California – Jim Loomis (railroad agent, postmaster)
 * Lorenzo, Texas – Lorenzo Dow
 * Los Angeles – Our Lady the Queen of the Angels
 * Loudon, New Hampshire – John Campbell, 4th Earl of Loudoun (note spelling)
 * Louisa, Virginia – Princess Louisa of Great Britain
 * Louisiana – Louis XIV (King of France)
 * Louisiana, Missouri – Louisiana Basye (daughter of local settlers)
 * Louisville, Kansas – Louis Wilson (landowner's son)
 * Louisville, Kentucky – Louis XVI of France
 * Louisville, Mississippi – Col. Louis Wiston (settler)
 * Loveland, Colorado – William A.H. Loveland (president of the Colorado Central Railroad)
 * Lovell, Maine – Captain John Lovewell (note spelling)
 * Lovelock, California – George Lovelock (early merchant)
 * Lowell, Maine – Lowell Hayden (first person born in the town)
 * Lowell, Massachusetts, Lowell, Michigan, and Lowell, North Carolina – Francis Cabot Lowell
 * Lowville, New York – Nicholas Low
 * Lubbock, Texas – Thomas Saltus Lubbock
 * Lucas, Iowa – Robert Lucas (territorial governor)
 * Ludington, Michigan – James Ludington (businessman)
 * Ludlow, Kentucky – Israel Ludlow (pioneer)
 * Lufkin, Texas – Abraham P. Lufkin (cotton merchant and Galveston city councilman)
 * Lumpkin, Georgia – Gov. Wilson Lumpkin
 * Lundy, California – W.J. Lundy (sawmill owner)
 * Lunenburg, Massachusetts – from one of the titles of King George II of Great Britain, Duke of Brunswick-Lüneburg
 * Lunenburg, Vermont – from one of the titles for Prince Karl Wilhelm Ferdinand of Brunswick-Lunenburg
 * Lusk, Wyoming – Frank S. Lusk (rancher and Wyoming Central Railway stockholder)
 * Lutesville, Missouri – Eli Lutes (founder)
 * Luther, Michigan – B.T. Luther (sawmill owner)
 * Luthersburg, Pennsylvania – W.H. Luther (resident)
 * Lutherville, Maryland – Martin Luther (16th century German reformer)
 * Lykens, Pennsylvania – Andrew Lycan (note the spelling)
 * Lyman, Maine – Theodore Lyman (merchant)
 * Lyman, New Hampshire – General Phineas Lyman (commander in the French and Indian War)
 * Lyndeborough, New Hampshire – Benjamin Lynde (Chief Justice of Massachusetts after town was named)
 * Lyndon, Vermont – Josias Lyndon (governor of Rhode Island)
 * Lyons, Colorado – Edward S. Lyon (founder)
 * Lyons, Kansas – Truman J. Lyon (landowner)
 * Lyons, Nebraska – Waldo Lyon (resident)
 * Lyonsdale, New York – Calen Lyon (settler)
 * Lysander, New York – Lysander (Spartan military leader)

M

 * Mabbettsville, New York – James Mabbett (landowner)
 * Macclenny, Florida – H.C. Macclenny (founder)
 * Macksville, Kansas – George Mack (postmaster)
 * Macomb, New York – Gen. Alexander Macomb
 * Macon, 5 places in Georgia, Illinois, Mississippi, Missouri, and North Carolina – Nathaniel Macon
 * Madelia, Minnesota – Madelia Hartshorn (deceased daughter of founder Philander Hartshorn)
 * Madison, 5 places in Georgia, Kansas, Maine, New Hampshire and Wisconsin – James Madison
 * Madison, South Dakota – James Madison (indirectly, via Madison, Wisconsin)
 * Madison County – James Madison, 18 places in
 * Alabama, Arkansas, Florida, Georgia, Illinois, Indiana, Iowa, Kentucky, Mississippi, Missouri, Montana, Nebraska, New York, North Carolina, Ohio, Tennessee, Texas, and Virginia
 * Mahomet, Illinois – Muhammad (antiquated spelling)
 * Mahon, Mississippi – John Mahon
 * Mamajuda Island, Michigan – Mamajuda (Native American woman)
 * Mamakating, New York – Mamakating (Native American chief)
 * Mamaroneck, New York – Mamaroneck (Native American chief)
 * Mancelona, Michigan – Mancelona Andrews (settler's daughter)
 * Manchester, Vermont – Robert Montagu, 3rd Duke of Manchester
 * Mandeville, Louisiana – Antoine James de Marigny de Mandeville
 * Manlius, New York – Manlius (Roman general)
 * Manly, North Carolina – Gov. Charles Manly
 * Mannsville, New York – Col. H.B. Mann
 * Mansfield, Connecticut – Moses Mansfield (mayor of New Haven)
 * Mansfield, Massachusetts – William Murray, 1st Earl of Mansfield
 * Mansfield, Ohio – Jared Mansfield (U.S. Surveyor General)
 * Mansfield, Pennsylvania – Asa Mann (landowner) (note the spelling)
 * Mansfield, Texas – R.S. Man and Julian Feild (settlers) (note spelling)
 * Manteo, North Carolina – Manteo (Native American chief)
 * Manton, Michigan – George Manton (settler)
 * Manuelito, New Mexico – Manuelito (Navajo chief)
 * Marcellus, Michigan and Marcellus, New York – Marcus Claudius Marcellus
 * Marcus Hook, Pennsylvania – Maarte (Native American chief)
 * Marcy, New York – Gov. William L. Marcy
 * Margarettsville, North Carolina – Margaret Ridley
 * Margaretville, New York – Margaret Lewis (landowner)
 * Marias River (Montana) – Maria Wood
 * Mariaville, Maine – Maria Matilda (daughter of landholder William Bingham)
 * Mariaville Lake, New York – Maria Duane (daughter of James Duane)
 * Marietta, Ohio – Marie Antoinette
 * Marilla, New York – Marilla Rogers
 * Marinette, Wisconsin – Marie Antoinette Chevalier (common-law wife of an early fur trader)
 * Marion – Francis Marion (Revolutionary War hero), 14 places in
 * Alabama – Illinois – Indiana – Iowa – Kansas – Kentucky – Louisiana – Massachusetts – Mississippi – New York – North Carolina – Ohio – South Carolina – Virginia
 * Marion, North Dakota – Marion Mellen (daughter of Charles Sanger Mellen)
 * Marion, Oregon – Francis Marion (Revolutionary War hero) (indirectly, via Marion County, Oregon)
 * Marion, South Dakota – Marion Merrill (daughter of S.S. Merrill, railroad official)
 * Marion, Texas – Marion Dove (granddaughter of Joshua W. Young, owner of a plantation that the Galveston, Harrisburg and San Antonio Railway passed through)
 * Marion County – General Francis Marion of South Carolina, guerilla fighter and hero of the American Revolutionary War, 17 places in
 * Alabama, Arkansas, Florida, Georgia, Illinois, Indiana, Iowa, Kansas, Kentucky, Mississippi, Ohio, Oregon, South Carolina, Tennessee, Texas, and West Virginia
 * Marionville, Missouri – Gen. Francis Marion
 * Marklee Village, California – Jacob Marklee (early settler)
 * Markleeville, California – Jacob Marklee (early settler)
 * Marlboro, Vermont – John Churchill, Duke of Marlborough
 * Marlborough, Massachusetts and Marlborough, New York – John Churchill, Duke of Marlborough
 * Marlborough, New Hampshire – John Churchill, Duke of Marlborough (indirectly, via Marlborough, Massachusetts)
 * Marquam, Oregon – Philip Augustus Marquam (resident of Portland)
 * Marquette – Jacques Marquette (French missionary and explorer), 8 places in 7 states:
 * Marquette Heights, Illinois - Marquette, Iowa - Marquette, Kansas - Marquette, Michigan - Marquette County, Michigan - Marquette Island, an island in Michigan - Pere Marquette River, a river in Michigan - Lake Marquette, a lake in Minnesota - Marquette, Nebraska - Marquette (town), Wisconsin - Marquette County, Wisconsin
 * Marsh Creek Springs, California – John Marsh
 * Marshall, Colorado – Joseph M. Marshall (coal miner)
 * Marshall, Minnesota – Gov. William Rainey Marshall
 * Marshall, Texas – John Marshall
 * Marshallton, Delaware – John Marshall (mill owner)
 * Marshfield, Vermont – Capt. Isaac Marsh (landowner)
 * Martensdale, California – Harry J. Marten (founder)
 * Martin County, Florida – John W. Martin 24th Governor of Florida
 * Martinez, California – Don Ygnacio Martínez
 * Martinsburg, Nebraska – Jonathan Martin (settler)
 * Martinsburg, West Virginia – Col. Thomas Bryan Martin (landowner)
 * Martins Ferry, California – John F. Martin (first postmaster and ferry operator)
 * Martin's Location, New Hampshire – Thomas Martin (grantee)
 * Martinsville, Indiana – John Martin (commissioner)
 * Maryland – Queen Henrietta Maria of France
 * Maryland, New York – Queen Henrietta Maria of France (indirectly, via the state of Maryland)
 * Marysville, California – Mary Murphy Covillaud (Donner Party survivor)
 * Marysville, Kansas – Mary Marshall (wife of Francis J. Marshall, namesake of Marshall County)
 * Maryville, Missouri – Mary Graham (wife of Amos Graham, county clerk)
 * Masaryktown, Florida – Tomáš Garrigue Masaryk (Czechoslovak President)
 * Mason, Illinois – Roswell B. Mason (railroader)
 * Mason, New Hampshire – Captain John Mason (New Hampshire's founder)
 * Masonville, New York – Rev. John M. Mason (landholder)
 * Massena, New York – André Masséna (French military officer)
 * Massillon, Ohio – Jean Baptiste Massillon (French cleric)
 * Matoaca, Virginia – Pocahontas (Matoaca was her name in her native language).
 * Mathis, Texas – Thomas Henry Mathis (proprietor)
 * Matteson, Illinois – George Joel Aldrich Mattison (note the spelling)
 * Mattoon, Illinois – William Mattoon
 * Maupin, Oregon – Howard Maupin (settler who established a farm and ferry here)
 * Mauriceville, Texas – Maurice Miller (son of the first president of the Orange and Northwestern Railway)
 * Mauston, Wisconsin – Milton M. Maughs (founder) (note the spelling)
 * Mayer, Arizona – Joe Mayer (founder)
 * Mayersville, Mississippi – David Meyers (landowner) (note the spelling)
 * Maynard, Massachusetts – Amory Maynard (mill owner)
 * Mays Landing, New Jersey – Cornelius Jacobsen May
 * Maysville, Kentucky – John May (landowner)
 * McAdenville, North Carolina – R.Y. McAden (state legislator)
 * McAllen, Texas – John McAllen (settler)
 * McArthur, Ohio – Gen. Duncan McArthur
 * McClellandville, Delaware – William McClelland (settler)
 * McColl, South Carolina – D.D. McColl (businessman)
 * McConnelsville, Ohio – Robert McConnel
 * McCool, Mississippi – James F. McCool
 * McCracken, Kansas – William McCracken (railroader)
 * McCune, Kansas – Isaac McCune (founder)
 * McDonough, 3 places in Delaware, Georgia, and New York – Thomas Macdonough (naval officer) (note the spelling)
 * McFarland, California – J.B. McFarland (founder)
 * McGraw, New York – Samuel McGraw
 * McGregor, Iowa – Alexander McGregor (landowner)
 * McHenry, Illinois – William McHenry
 * McKee, Kentucky – George R. McKee (judge)
 * McKeesport, Pennsylvania – David McKee (ferry owner)
 * McKinleyville, California – President William McKinley
 * McKittrick, California – Capt. William McKittrick (local landowner and rancher)
 * McMechen, West Virginia - the McMechen family (pioneers)
 * McMinnville, Tennessee –Gov. Joseph McMinn
 * McPherson, Kansas – Major Gen. James B. McPherson
 * Mead, Colorado – Dr. Martin Luther Mead (landowner)
 * Meade, Kansas – Gen. George Meade
 * Meadville, Mississippi – Cowles Mead (territorial official)
 * Meadville, Pennsylvania – Gen. David Mead (founder)
 * Mebane, North Carolina – Gen. Alexander Mebane
 * Medary, South Dakota – Samuel Medary (territorial governor of Kansas)
 * Meeker, Colorado – Nathan Meeker (journalist)
 * Mendenhall Springs, California – William M. Mendenhall (health spa proprietor)
 * Mendoza, Texas – Antonio de Mendoza (colonial governor)
 * Menifee, California – Luther Menifee Wilson (gold miner)
 * Mercer, Maine – Brigadier General Hugh Mercer (Revolutionary War hero)
 * Mercersburg, Pennsylvania – Brigadier General Hugh Mercer (Revolutionary War hero)
 * Mercey Hot Springs, California – J.N. Mercy (early settler)
 * Meredith, New Hampshire – Sir William Meredith, 3rd Baronet (member of British Parliament)
 * Meredith, New York – Samuel Meredith (merchant)
 * Merrill, Wisconsin – S.S. Merrill (railroader)
 * Merritt, California – Hiram P. Merritt (early settler)
 * Methuen, Massachusetts – Sir Paul Methuen (British diplomat)
 * Mettler, California – W.H. Mettler (local agriculturalist)
 * Metz, California – W.H.H. Metz (first postmaster)
 * Meyers, California – George Henry Dudley Meyers (early landowner)
 * Mianus, Connecticut – Mayanno (Native American chief)
 * Micanopy, Florida – Micanopy, leading chief of Seminoles, led the tribe during the Second Seminole War
 * Middleton, New Hampshire – Sir Charles Middleton, 1st Baron Barham
 * Milan, New Hampshire – Milan Harris (mill owner)
 * Milbank, South Dakota – Jeremiah Milbank (railroad director)
 * Milburn, Kentucky – William Milburn
 * Milesburg, Pennsylvania – Col. Samuel Miles (founder)
 * Miles City, Montana – General Nelson A. Miles
 * Miley, California – Julian J. Miley (first postmaster)
 * Millard, Omaha, Nebraska – Ezra Millard (founder)
 * Millbrae, California – Darius Ogden Mills
 * Milledgeville, Georgia – Gov. John Milledge
 * Miller, Nebraska – Capt. J.M. Miller (settler)
 * Miller Place, New York – Andrew Miller (pioneer)
 * Millersburg, Missouri – Thomas Miller (settler)
 * Millersburg, Ohio – Charles Miller (founder)
 * Millersburg, Pennsylvania – Daniel Miller (founder)
 * Millerton, New York – Samuel G. Miller (railroad contractor)
 * Milliken, Colorado – John D. Milliken (railroad official)
 * Millis, Massachusetts – Lansing Millis (railroad executive)
 * Millsfield, New Hampshire – Sir Thomas Mills
 * Millspaugh, California – Almon N. Millspaugh (first postmaster)
 * Milo, Maine – Milo of Croton (famous athlete from Ancient Greece)
 * Milton, California – Milton Latham (railroad engineer)
 * Milton, 4 places in Ulster County, New York, North Carolina, Vermont, and West Virginia – John Milton
 * Miltonvale, Kansas – Milton Tootle (landowner)
 * Minkler, California – Charles O. Minkler (local farmer)
 * Minor Creek (California) – Isaac Minor
 * Minot, Maine – Judge Minot of the General Court (aided in the town's incorporation)
 * Minturn, California – Jonas and Thomas Minturn (local farmers)
 * Mitchell, Colorado – George R. Mitchell
 * Mitchell, Iowa – John Mitchel (Irish patriot) (note the spelling)
 * Mitchell, Oregon – U.S. Senator John H. Mitchell
 * Mitchell, South Dakota – Alexander Mitchell (president of the Chicago, Milwaukee, St. Paul and Pacific Railroad)
 * Mitchellville, Iowa – Thomas Mitchell
 * Moberly, Missouri – Col. William E. Moberly
 * Modesto, California – William Chapman Ralston, reputed for being a modest man
 * Moffat, Colorado – David Moffat (president of the Denver and Rio Grande Western Railroad)
 * Moira, New York – Earl of Moira
 * Monroe – James Monroe, 12 places in
 * Connecticut – Georgia – Maine – Massachusetts – Michigan – New Hampshire – New Jersey – New York – North Carolina – Ohio – Utah – Washington
 * Monroe City, Indiana – Monroe Alton (founder)
 * Monroeville, California – U.P. Monroe (founder)
 * Monroeville, New Jersey – Rev. S.T. Monroe
 * Monroeville, Pennsylvania – Joel Monroe (first postmaster)
 * Monson, Maine – Sir John Monson, 2nd Baron Monson (indirectly, via Monson, Massachusetts)
 * Monson, Massachusetts – Sir John Monson, 2nd Baron Monson
 * Montague, Massachusetts – Capt. William Montague
 * Monterey, California – Gaspar de Zúñiga, 5th Count of Monterrey (colonial governor)
 * Monterey, Massachusetts – Gaspar de Zúñiga, 5th Count of Monterrey (indirectly, via Monterrey, Mexico) (The town was named during the Mexican War to commemorate the battle fought there).
 * Montezuma, Colorado – Moctezuma I (note the spelling)
 * Montgomery, 4 places in Alabama, Massachusetts, Minnesota, and New York – General Richard Montgomery
 * Montgomery, Indiana – Valentine B. Montgomery (founder)
 * Montgomery, Texas – Andrew J. Montgomery (trading post establisher)
 * Montrose, Pennsylvania – Dr. Robert H. Rose
 * Mooers, New York – Gen. Benjamin Mooers
 * Mooney Flat, California – Thomas Mooney (trading post and hotel establisher)
 * Moorcroft, Wyoming – Alexander Moorcroft (settler)
 * Moorefield, West Virginia – Conrad Moore
 * Moores Flat, California – H.M. Moore (first settler)
 * Mooresville, Indiana – Samuel Moore (founder)
 * Mooresville, Missouri – W.B. Moore (founder)
 * Moorhead, Minnesota – Gen. James K. Moorhead
 * Moorhead, Montana – W.G. Moorehead (railroader) (note the spelling)
 * Moosup, Connecticut and Moosup River (Connecticut) – Moosup (Native American chief)
 * Moraga, California – Joaquin Moraga (explorer and landowner)
 * Moran, Kansas – Daniel Moran (businessman)
 * Moreau, New York – Jean Victor Marie Moreau (French general)
 * Morehead, Kentucky – Gov. James Turner Morehead
 * Morehead City, North Carolina – Gov. John Motley Morehead
 * Moreno Valley, California – Frank E Brown (Moreno is Spanish for brown); Land developer
 * Morgan, Utah – Jedediah Morgan Grant (a leader in the Church of Jesus Christ of Latter-day Saints)
 * Morgan, Vermont – John Morgan (landholder)
 * Morganfield, Kentucky – Gen. Daniel Morgan
 * Morganton, North Carolina – Gen. Daniel Morgan
 * Morgan's Point, Texas – Emily West Morgan (known as The Yellow Rose of Texas)
 * Morgantown, West Virginia – Zackquill Morgan (landowner)
 * Morganville, Kansas – Ebenezer Morgan (founder)
 * Morrill, Kansas – Gov. Edmund Needham Morrill
 * Morrill, Maine – Anson P. Morrill (governor of Maine)
 * Morrilton, Arkansas – E.J. and George H. Morrill (settlers) (note the spelling)
 * Morris, Connecticut – James Morris III (Revolutionary War soldier)
 * Morris, New York – General Jacob Morris (son of Lewis Morris, a signer of the Declaration of Independence)
 * Morrisania, New York, New York – Lewis Morris (statesman)
 * Morris Plains, New Jersey – Lewis Morris (the first royal governor of New Jersey)
 * Morris Township, New Jersey – Lewis Morris
 * Morristown, New Jersey – Lewis Morris
 * Morrisville, Bucks County, Pennsylvania – Robert Morris (financier)
 * Morrow, Ohio – Gov. Jeremiah Morrow
 * Morton Grove, Illinois – Levi P. Morton
 * Moses Lake, Washington – Chief Moses (Native American chief of the Sinkiuse-Columbia)
 * Moss, Monterey County, California – Charles Moss (wharf owner)
 * Moss Landing, California – Charles Moss (wharf owner)
 * Moultonborough, New Hampshire – Colonel Jonathan Moulton and others in his family
 * Moultrie, Georgia – Gen. William Moultrie
 * Moultrieville, South Carolina – Gen. William Moultrie
 * Mount Bullion, Mariposa County, California – Senator Thomas Hart Benton (nicknamed "Old Bullion")
 * Mount Madison (New Hampshire) – James Madison
 * Mount Marcy (New York) – Gov. William L. Marcy
 * Mount Mitchell (North Carolina) – Elisha Mitchell (surveyor)
 * Mount Monroe (New Hampshire) – James Monroe
 * Mount Moran (Wyoming) – Thomas Moran (artist)
 * Mount Morris, New York – Thomas Morris (resident of Philadelphia)
 * Mount Pulaski, Illinois – Casimir Pulaski (Revolutionary War hero)
 * Mount Vernon, Missouri – Admiral Edward Vernon (indirectly, via Mount Vernon)
 * Mount Washington, Kentucky and Mount Washington, Massachusetts – George Washington
 * Muir, Michigan – W.K. Muir (railroader)
 * Muldrow, Oklahoma – Henry L. Muldrow (politician)
 * Mullan, Idaho – John Mullan (builder of Mullan Road, a wagon route)
 * Mulvane, Kansas – John R. Mulvane (resident of Topeka)
 * Mundy Township, Michigan – Lt. Gov. Edward Mundy
 * Munfordville, Kentucky – Richard I. Munford (landowner)
 * Munnsville, New York – Asa Munn (storekeeper)
 * Murdo, South Dakota – Murdo MacKenzie (Texas cattleman)
 * Murfreesboro, North Carolina and Murfreesboro, Tennessee – Col. Hardy Murfree
 * Muroc, California – Ralph and Clifford Corum (early settlers) – Muroc is Corum spelled backwards
 * Murphy, North Carolina – A.D. Murphy (judge)
 * Murphys, California – Daniel and John Murphy (early miners and settlers)
 * Murray, California – David Murray (olive industry figure)
 * Murray, Kentucky – John L. Murray (former Congressman from the area who had died two years before the city's incorporation in 1844)
 * Murray, Utah – Eli Murray (territorial governor of Utah)
 * Murrieta, California – Juan Murrieta (Rancher)
 * Myerstown, Pennsylvania – Isaac Myers (founder)

N

 * Naperville, Illinois – Joseph Naper
 * Napoleon, Michigan – Napoleon Bonaparte
 * Napoleon, Missouri – Napoleon Bonaparte
 * Nashmead, California – J. Nash (first postmaster)
 * Nashville, North Carolina and Nashville, Tennessee – Gen. Francis Nash
 * Nashville, Ohio – Simon Nash (judge)
 * Neals Diggins, California – Sam Neal (founder)
 * Neligh, Nebraska – John Neligh
 * Nelson, California – A.D. Nelson (early settler)
 * Nelson, Nebraska – C. Nelson Wheeler (landowner)
 * Nelson, New Hampshire – Viscount Horatio Nelson (British admiral and naval hero)
 * Nelsonville, New York – Elisha Nelson (settler)
 * New Brunswick, New Jersey – George II of Great Britain (also Duke of Brunswick)
 * New Florence, Missouri – Florence Lewis (settler's daughter)
 * New Franklin, Missouri and New Franklin, Ohio – Benjamin Franklin
 * New Marlborough, Massachusetts – John Churchill, Duke of Marlborough (indirectly, via Marlborough, Massachusetts)
 * New Orleans, Louisiana – Philippe II, Duke of Orléans
 * New Port Richey, Florida – Captain Aaron M. Richey
 * New York City and New York (state) – James of York and Albany
 * Newberry, Michigan – John A. Newberry (railroader)
 * Newcastle, Maine – Thomas Pelham-Holles, 1st Duke of Newcastle-upon-Tyne
 * New Coeln, Milwaukee - Christopher Columbus
 * Newell, California – Frederick Haynes Newell
 * Newellton, Louisiana – Edward D. Newell
 * Newfane, Vermont – John Fane, 7th Earl of Westmorland
 * Newnan, Georgia – Gen. Daniel Newnan
 * Newnansville, Florida – Gen. Daniel Newnan
 * Newport, New Hampshire – Henry Newport (English soldier and statesman)
 * Newport News, Virginia – Christopher Newport and William Newce (sea captains) (note the spelling for the latter)
 * Newton, Georgia and Newton, Texas – John Newton (soldier of the American Revolutionary War)
 * Nicholasville, Kentucky – Col. George Nicholas
 * Nichols, California – William H. Nichols (landowner)
 * Nick's Cove, California – Nick Kojich (restaurateur)
 * Nickerson, Kansas – Thomas Nickerson (ATSF president)
 * Nicollet, Minnesota – Joseph Nicollet (explorer)
 * Nielsburg, California – Arthur C. Neill (first postmaster)
 * Niles, Fremont, California – Addison Niles
 * Nobleboro, Maine – James Noble (settler)
 * Noblesville, Indiana – Gov. Noah Noble
 * Norden, California – Charles Van Norden (water company official)
 * Norman, Oklahoma – Abner E. Norman (surveyor)
 * Normans Kill (New York) – Albert de Norman (settler)
 * Norristown, Pennsylvania – Isaac Norris (Mayor of Philadelphia in 1724)
 * North, South Carolina – John F. North (founder)
 * North Adams, Massachusetts – Samuel Adams (indirectly, via Adams, Massachusetts)
 * North Anna River (Virginia) – Anne, Queen of Great Britain
 * North Carolina – Charles I of England (King of Great Britain, Carolinus is Latin for Charles)
 * North Cleveland, Texas – Charles Lander Cleveland (local judge) (indirectly, via Cleveland, Texas)
 * North Dansville, New York – Daniel P. Faulkner (settler)
 * North Fort Myers, Florida – Col. Abraham C. Myers
 * North Webster, Indiana – Daniel Webster
 * Norton, Kansas – Capt. Orloff Norton
 * Norton Sound (Alaska) – Fletcher Norton, 1st Baron Grantley
 * Nortonville, California – Noah Norton (founder)
 * Norwell, Massachusetts – Henry Norwell (dry goods merchant)
 * Notleys Landing, California – Godfrey Notley (founder)
 * Nottingham, New Hampshire – Daniel Finch, 2nd Earl of Nottingham
 * Novato, California – a local Miwok leader who had probably been given the name of Saint Novatus at his baptism

O

 * O'Fallon, Missouri – Col. John O'Fallon
 * O'Neals, California – Charles O'Neal (merchant and first postmaster)
 * O'Neill, Nebraska – Gen. John O'Neil (settler)
 * Oakley, Kansas – Eliza Oakley Gardner
 * Oatman Flat (Arizona) – Royce Oatman (Oatman and his family were killed by a group of Apaches here).
 * Oberlin, Ohio – J. F. Oberlin (philanthropist)
 * Ockenden, California – Thomas J. Ockenden (first postmaster)
 * Odem, Texas – David Odem (San Patricio County sheriff)
 * Odenton, Maryland – Oden Bowie (Governor of Maryland)
 * Ogden, Kansas – Maj. E.A. Ogden
 * Ogden, New York – William Ogden (landowner's son-in-law)
 * Ogden, Utah – Peter Skene Ogden
 * Ogilby, California – E.R. Ogilby (mine promoter)
 * Oglesby, Illinois – Gov. Richard J. Oglesby
 * Oglethorpe, Georgia – James Oglethorpe (colonial leader)
 * Ogletown, Delaware – Thomas Ogle (landowner)
 * Ogontz, 3 places in Michigan, Ohio, and Pennsylvania – Ogontz (Native American chief)
 * Oketo, Kansas – Arktatetah (Native American chief)
 * Old Ornbaun Hot Springs, California – John S. Ornbaun (early settler and rancher)
 * Olean, New York – Olean Shephard (the first white child born here)
 * Oleander, California – William Oleander Johnson (first postmaster)
 * Oleona, Pennsylvania – Ole Bull (settler)
 * Orange, 5 places in Connecticut, Massachusetts, New Jersey, Vermont, and Virginia – William, Prince of Orange
 * Orange, Ohio – William, Prince of Orange (indirectly, via Orange, Connecticut)
 * Orangeburg, South Carolina – William, Prince of Orange
 * Orbisonia, Pennsylvania – William Orbison (settler)
 * Ord, Nebraska – Gen. Edward Ord
 * Ordbend, California – Edward Ord
 * Ordway, Colorado – George N. Ordway (Denver politician)
 * Orem, Utah – Walter C. Orem (President of the Salt Lake and Utah Electric Urban Railroad)
 * Orford, New Hampshire – Robert Walpole, Earl of Orford
 * Orinda, California – Katherine Philips (a poet whose nickname was "Matchless Orinda")
 * Orlando, Florida – Orlando Reeves
 * Orleans, Massachusetts – Louis Philippe II, Duke of Orléans
 * Orono, Maine – Chief Joseph Orono of the Penobscot Nation
 * Orrick, Missouri – John C. Orrick (resident of St. Louis)
 * Orrs Springs, California – Samuel Orr (early settler)
 * Orwigsburg, Pennsylvania – Peter Orwig (founder)
 * Osborne, Kansas – Vincent Osborne (member of the Second Kansas Cavalry)
 * Osburn, Idaho – Bill Osborne (trading post establisher) (note spelling)
 * Osceola, 5 places in Arkansas, Missouri, Nebraska, New York, and Wisconsin – Indian leader Osceola, whose name means "Black Drink Cry"
 * Osceola County, 3 places in Florida, Iowa, and Michigan – Indian leader Osceola, whose name means "Black Drink Cry"
 * Oskaloosa, Iowa and Oskaloosa, Kansas – Oskaloosa (wife of the Native American chief Mahaska)
 * Oshkosh, Wisconsin – Chief Oshkosh
 * Otis, Maine – James Otis Jr. (proprietor)
 * Otis, Massachusetts – Harrison Gray Otis
 * Otisfield, Maine – James Otis, Jr. (grantee)
 * Otisville, Michigan – Byron Otis (settler)
 * Otisville, New York – Isaac Otis (settler)
 * Otto, New York – Jacob S. Otto (land agent)
 * Ouray, Colorado – Ouray (Ute chief)
 * Ovid, Colorado – Newton Ovid (local resident)
 * Ovid, Michigan and Ovid (town), New York – Ovid (poet)
 * Owensboro, Kentucky – Abraham Owen
 * Owingsville, Kentucky – Col. T.D. Owings
 * Oxnard, California – Henry, Ben, James and Robert Oxnard

P

 * Pacheco, California – Salvio Pacheco
 * Paddock, Holt County, Nebraska – Algernon Paddock (U.S. Senator)
 * Paducah, Kentucky and Paducah, Texas – Chief Paduke
 * Painesville, Ohio – General Edward Paine (early settler)
 * Palmer, Massachusetts – Thomas Palmer (judge)
 * Palmer, Michigan – Waterman Palmer (founder)
 * Palmer Lake, Colorado – Gen. William Jackson Palmer
 * Pamelia, New York – Pamelia Brown (wife of Gen. Jacob Brown)
 * Papinville, Missouri – Pierre Papin
 * Paragould, Arkansas – W.J. Para more and Jay Gould (railroaders)
 * Pardeeville, Wisconsin – John S. Pardee (founder)
 * Paris, New York – Isaac Paris (merchant)
 * Parish, New York – David Parish (landowner)
 * Parishville, New York – David Parish (landowner)
 * Parker, Kansas – J.W. Parker (landowner)
 * Parkersburg, West Virginia – Alexander Parker
 * Parkman, Maine – Samuel Parkman (proprietor)
 * Parkman, Wyoming – Francis Parkman (historian)
 * Parkston, South Dakota – R.S. Parke (landowner) (note spelling)
 * Parkville, Missouri – George S. Park (founder)
 * Parlier, California – I.N. Parlier (first postmaster)
 * Parry Peak (Colorado) – Charles Christopher Parry (botanist)
 * Parsons, Kansas – Levi Parsons (judge and railroader)
 * Parsonsfield, Maine – Thomas Parsons (proprietor)
 * Pasco County, Florida – Samuel Pasco, United States Senator from Florida
 * Paterson, New Jersey – William Paterson
 * Patten, Maine – Amos Patten (settler)
 * Patterson, New York – Matthew Paterson (early farmer) (note spelling)
 * Patton Township, Pennsylvania – Colonel John Patton (co-owner)
 * Paulding, Mississippi and Paulding, Ohio – John Paulding (Revolutionary War soldier)
 * Paulsboro, New Jersey – Samuel Phillip Paul (son of a settler)
 * Pawling, New York – Catherine Pauling (a misprint caused the U to change to a W and the name stuck)
 * Paxton, Massachusetts – Charles Paxton
 * Paxton, Nebraska – W.A. Paxton
 * Payne, Ohio – Henry B. Payne (U.S. Senator)
 * Payson, Arizona – Levi Joseph Payson (Illinois congressman)
 * Peabody, Kansas – F.H. Peabody
 * Peabody, Massachusetts – George Peabody (philanthropist)
 * Peekskill, New York – Jan Peek (mariner)
 * Pelham, Massachusetts – Henry Pelham (Prime Minister of the United Kingdom)
 * Pelham, New Hampshire – Thomas Pelham-Holles, 1st Duke of Newcastle
 * Pelham, New York – Pelham Burton (tutor of Thomas Pell)
 * Pembroke, Georgia – Pembroke Whitfield Williams (early resident)
 * Pembroke, New Hampshire – Henry Herbert, ninth Earl of Pembroke
 * Pendleton, Indiana – Thomas M. Pendleton (landowner)
 * Pendleton, New York – Sylvester Pendleton Clark
 * Pendleton, Oregon – George H. Pendleton (Democratic candidate for Vice-President in the 1864 presidential campaign)
 * Pendleton, South Carolina – Henry Pendleton (judge)
 * Penfield, Georgia – Josiah Penfield
 * Penfield, New York – Daniel Penfield (settler)
 * Pennsylvania – William Penn (Penn's Woods)
 * Pepperell, Massachusetts – Sir William Pepperrell (hero of the Battle of Louisburg)
 * Perham, Maine – Gov. Sidney Perham
 * Perham, Minnesota – Josiah Perham (officer of the Northern Pacific Railway)
 * Perinton, New York – Glover Perrin (settler) (note the spelling)
 * Perkins Township, Maine – Thomas Handasyd Perkins
 * Perris, California – Frederick Thomas Perris (chief engineer of the California Southern Railroad)
 * Perry, Kansas – John D. Perry (railroader)
 * Perry, Maine, Perry, New York and Perry, Ohio – Commodore Oliver Hazard Perry (hero of the War of 1812)
 * Perry, Florida – Madison Stark Perry, fourth Governor of the State of Florida, Confederate States Army colonel
 * Perrysburg (town), New York and Perrysburg, Ohio – Commodore Oliver Hazard Perry
 * Perryville, Missouri and Perryville, New Jersey – Commodore Oliver Hazard Perry
 * Perth Amboy, New Jersey – James Drummond, 4th Earl of Perth (The article The Amboys contains the etymology)
 * Peterboro, New York – Peter Smith
 * Peterborough, New Hampshire – Lieutenant Peter Prescott (land speculator)
 * Petersburg, Alaska – Peter Buschmann (Norwegian immigrant)
 * Petersburg, California – Peter Gardett (early merchant)
 * Petersburg, Delaware – Peter Fowler
 * Petersburg, Indiana – Peter Brenton (settler)
 * Petersburg, Pennsylvania – Peter Fleck (settler)
 * Petersburg, Virginia – Peter Jones (co-founder)
 * Petersburgh, New York – Peter Simmons (early settler)
 * Petersham, Massachusetts – William Stanhope, 1st Earl of Harrington, Viscount Petersham
 * Petersville, Indiana – Peter T. Blessing (founder)
 * Peytona, West Virginia – William M. Peyton
 * Pheba, Mississippi – Pheba Robinson
 * Phelps, Missouri – Gov. John S. Phelps
 * Phelps, New York – Oliver Phelps (proprietor)
 * Pharr, Texas - Henry Newton Pharr (1872-1966)
 * Phil Campbell, Alabama – Phil Campbell (Railroad engineer)
 * Philippi, West Virginia – Philip P. Barbour (judge)
 * Phillips, California – Joseph Wells Davis Phillips (founder)
 * Phillips, Maine – Jonathan Phillips (grantee)
 * Phillips, Wisconsin – Elijah B. Phillips (railroader)
 * Philipsburg, Montana – Philip Deidesheimer (mining engineer)
 * Philipsburg, Pennsylvania – James and Henry Philips (settlers)
 * Phillipston, Massachusetts – William Phillips, Jr. (lieutenant governor of Massachusetts)
 * Philipstown, New York – Adolphus Philipse (patentee)
 * Phillipsville, California – George Stump Philipps (early settler)
 * Phippsburg, Maine – Sir William Phips (colonial governor of Massachusetts) (note spelling)
 * Phoenix, New York – Alexander Phoenix
 * Pickens, Mississippi – James Pickens (landowner)
 * Pickens, South Carolina – Gen. Andrew Pickens
 * Pickensville, Alabama – Gen. Andrew Pickens
 * Pierce, Texas – Thomas W. Pierce (railroader)
 * Pierceton, Indiana – Franklin Pierce
 * Piercy, California – Sam Piercy (early settler)
 * Pierre's Hole (Idaho) – Pierre (Iroquois chief)
 * Pierre, South Dakota – Pierre Chouteau, Jr.
 * Pierrepont, New York – Hezekiah Pierrepont (proprietor)
 * Pierrepont Manor, New York – William C. Pierrepont (resident)
 * Pierson, Michigan – O.A. Pierson (settler)
 * Pieta, California – Chief Pieta (local chief)
 * Piffard, New York – David Piffard (settler)
 * Pike, New Hampshire – Alonzo Pike (producer of sharpening stones and tool and cutter grinders)
 * Pike, New York – Zebulon Pike (American soldier and explorer)
 * Pikes Peak (Colorado) – Zebulon Pike (American soldier and explorer)
 * Pikesville, Maryland – Zebulon Pike (American soldier and explorer)
 * Pillsbury, Minnesota – Gov. John S. Pillsbury (businessman)
 * Pinckney, New York – Charles Cotesworth Pinckney
 * Pine Hill, California – Safford E. Pine (local dairy farmer)
 * Pinkham's Grant, New Hampshire – Daniel Pinkham (grantee)
 * Pishelville, Nebraska – Anton Pishel (postmaster)
 * Pitcairn, New York – Joseph Pitcairn (proprietor)
 * Pitcher, New York – Lt. Gov. Nathaniel Pitcher
 * Pitkin, Colorado – Gov. Frederick Walker Pitkin
 * Pittsboro, North Carolina – William Pitt, 1st Earl of Chatham
 * Pittsburg, New Hampshire – William Pitt, 1st Earl of Chatham
 * Pittsburgh, Pennsylvania – William Pitt, 1st Earl of Chatham
 * Pittsfield, Maine – William Pitts (proprietor)
 * Pittsfield, 3 places in Massachusetts, New Hampshire, and Vermont – William Pitt, 1st Earl of Chatham
 * Pittsfield, Illinois and Pittsfield, New York – William Pitt, 1st Earl of Chatham (indirectly, via Pittsfield, Massachusetts)
 * Pittsford, New York – William Pitt, 1st Earl of Chatham (indirectly, named by Colonel Caleb Hopkins after his hometown of Pittsford, Vermont)
 * Pittsford, Vermont – William Pitt, 1st Earl of Chatham
 * Pittston, Maine – John Pitt (judge)
 * Plant City, Florida – Henry B. Plant
 * Plattsburgh (city), New York and Plattsburgh (town), New York – Zephaniah Platt (landowner)
 * Pleasanton, California and Pleasanton, Kansas – Alfred Pleasonton (Union Army general)
 * Pocahontas, Illinois and Pocahontas, Missouri – Pocahontas
 * Pocatello, Idaho – Chief Pocatello
 * Pokagon Township, Michigan – Chief Pokagon (Pottawattomie leader)
 * Poland, Maine – Chief Poland
 * Poland, Ohio – George Poland (proprietor)
 * Polk County – James K. Polk, 11 places:
 * Arkansas – Florida – Georgia – Iowa – Minnesota – Missouri – Nebraska – Oregon – Tennessee – Texas – Wisconsin
 * Polkton, North Carolina – Bishop Leonidas Polk
 * Polo, Illinois – Marco Polo
 * Pomeroy, Ohio – Samuel Wyllis Pomeroy (proprietor)
 * Pomins, California – Frank J. Pomin (first postmaster)
 * Pompey, New York – Pompey (Roman general)
 * Pontiac, Illinois and Pontiac, Michigan – Chief Pontiac
 * Pontotoc, Mississippi – Pontotoc (Chickasaw chief)
 * Pooler, Georgia – Robert William Pooler (railroad employee)
 * Pope Valley, California – William Pope (land grantee)
 * Poplarville, Mississippi – "Poplar" Jim Smith (storekeeper)
 * Port Alsworth, Alaska - Leon "Babe" Alsworth (1909-2004), and Mary Alsworth (1923-1996)
 * Port Arthur, Texas – Arthur Edward Stilwell (founder)
 * Port Clinton, Ohio – DeWitt Clinton (father of the Erie Canal)
 * Port Clinton, Pennsylvania – DeWitt Clinton (father of the Erie Canal)
 * Port Colden, New Jersey – Cadwallader D. Colden (president of the Morris Canal and Banking Company)
 * Port Dickinson, New York – Daniel S. Dickinson (U.S. Senator)
 * Port Gibson, Mississippi – David Gibson (landowner)
 * Port Kenyon, California – John Gardner Kenyon (founder)
 * Port Jervis, New York – John Bloomfield Jervis (engineer with the Delaware and Hudson Canal)
 * Port Morris, Bronx, New York – Gouverneur Morris
 * Port Murray, New Jersey – James Boyles Murray (third president of the Morris Canal and Banking Company)
 * Port Orford, Oregon – George Walpole, 3rd Earl of Orford
 * Port Penn, Delaware – William Penn
 * Port Richey, Florida – Captain Aaron M. Richey
 * Port Townsend, Washington – George Townshend, 1st Marquess Townshend
 * Porter, Indiana – Commodore David Porter
 * Porter, Maine – Dr. Aaron Porter (proprietor)
 * Portola, California – Gaspar de Portolà
 * Portola Valley, California – Gaspar de Portolà
 * Poseyville, Indiana – Gen. Thomas Posey (governor)
 * Post Falls, Idaho – Frederick Post (lumber mill builder)
 * Posts, California – William Brainard Post (homesteader)
 * Potter, New York – Arnold Potter (proprietor)
 * Potter Township, Centre County, Pennsylvania – Gen. James Potter
 * Potter Valley, California – William and Thomas Potter (early settlers)
 * Pottersville, Michigan – George N. Potter
 * Potts Camp, Mississippi – Col. E.F. Potts
 * Pottstown, Pennsylvania – John Potts (landowner)
 * Pottsville, Pennsylvania – John Potts (landowner) (This is the same John Potts as Pottstown).
 * Poultney, Vermont – William Pulteney, 1st Earl of Bath (note spelling)
 * Powellton, California – R.P. Powell (early settler)
 * Powhattan, Kansas – Chief Powhatan (note the spelling)
 * Pownal, Maine and Pownal, Vermont – Thomas Pownall (royal governor of the Massachusetts Bay Colony) (note spelling)
 * Poynette, Wisconsin – Peter Paquette (The present name arose from a clerical error).
 * Prather, California – Joseph L. Prather (early rancher)
 * Pratt, Kansas – Caleb S. Pratt (Civil War soldier)
 * Prattsburgh, New York – Capt. Joel Pratt (settler)
 * Prattsville (town), New York – Zadock Pratt
 * Preble, New York – Commodore Edward Preble
 * Prentice, Wisconsin – Alexander Prentice (postmaster)
 * Prentiss, Maine – Henry Prentiss (landowner)
 * Prescott, Arizona – William H. Prescott (historian)
 * Prescott, Kansas – C.H. Prescott (railroader)
 * Prescott, Massachusetts – Col. William Prescott (Revolutionary War officer)
 * Presho, South Dakota – J. S. Presho (early settler)
 * Preston, Minnesota – Luther Preston (millwright)
 * Preston Township, Pennsylvania – Samuel Preston (judge and settler)
 * Prestonsburg, Kentucky – James Patton Preston (governor of Virginia)
 * Prestonville, Kentucky – James Patton Preston (governor of Virginia)
 * Preston-Potter Hollow, New York – Preston family and Samuel Potter
 * Pribilof Islands (Alaska) – Gavriil Pribylov (navigator)
 * Prince Frederick, Maryland – Frederick, Prince of Wales
 * Prince's Lakes, Indiana – Howard Prince (founder)
 * Princeton, Indiana – William Prince
 * Princeton, Maine – Rev. Thomas Prince (indirectly, via Princeton, Massachusetts)
 * Princeton, Massachusetts – Rev. Thomas Prince
 * Princetown, New York – John Prince (politician)
 * Proctor, Kentucky – Rev. Joseph Proctor
 * Proctor, Minnesota – J. Proctor Knott
 * Proctor, Vermont – Senator Redfield Proctor
 * Prophetstown, Illinois – Tenskwatawa Native American leader ("the Shawnee Prophet")
 * Prosser, Washington – Colonel William Farrand Prosser (homesteader)
 * Provo, Utah – Étienne Provost
 * Puget Sound (Washington) – Peter Puget (explorer)
 * Pulaski, 6 places in Georgia, Illinois, New York, Tennessee, Virginia, and Brown County, Wisconsin – Casimir Pulaski (Revolutionary War hero)
 * Pulaski Township, Ohio – Casimir Pulaski (Revolutionary War hero)
 * Pullman, 3 places in Michigan, Washington, and West Virginia – George Pullman
 * Pullman, Chicago – George Pull man and Solon S. Be man
 * Pulteney, New York and Pultneyville, New York (note spelling) – Sir William Pulteney, 5th Baronet, British land speculator
 * Pushmataha County, Oklahoma – Chief Pushmataha (Choctaw leader during the War of 1812)
 * Putnam, Connecticut – Israel Putnam
 * Putnam County, Florida – Benjamin A. Putnam, Florida legislator, first president – Florida Historic Society

Q

 * Quanah, Texas – Quanah Parker (the last Comanche chief)
 * Queens, New York City – Catherine of Braganza
 * Quenemo, Kansas – Quenemo (Native American resident)
 * Quincy, Illinois and Quincy, Michigan – John Quincy Adams
 * Quincy, Massachusetts – Colonel John Quincy
 * Quincy, Washington – John Quincy Adams (indirectly, via Quincy, Illinois)
 * Quinlan, Texas – G.A. Quinlan (vice president of the Houston and Texas Central Railway)
 * Quintana, Texas – Andrés Quintana Roo
 * Quitman, 4 places in Georgia, Mississippi, Missouri, and Texas – Gen. John A. Quitman (also governor of Mississippi)

R

 * Rackerby, California – William M. Rackerby (first postmaster)
 * Radford, Virginia – William Radford
 * Rahway, New Jersey – Rahway (Native American chief)
 * Rainier, Oregon – Peter Rainier (British admiral)
 * Rainsville, Indiana – Isaac Rains (proprietor)
 * Raleigh, 3 places in North Carolina, Mississippi, and Memphis, Tennessee – Sir Walter Raleigh
 * Ralston, California – William C. Ralston (mine owner)
 * Ralston, Pennsylvania – Matthew C. Ralston
 * Ramseur, North Carolina – Gen. Stephen Dodson Ramseur
 * Randalls and Wards Islands (New York) – Jonathan Randall (owner)
 * Randolph, Maine – Peyton Randolph (indirectly, via Randolph, Massachusetts)
 * Randolph, Massachusetts – Peyton Randolph (first president of the Continental Congress)
 * Randolph, Nebraska – Jasper Randolph (postman)
 * Randolph, New Hampshire – John Randolph (Virginia congressman and senator)
 * Randolph, New York – Edmund Randolph (indirectly, via Randolph, Vermont)
 * Randolph, Vermont – Edmund Randolph
 * Rangeley, Maine – Squire James Rangeley, Jr. (proprietor)
 * Rangeley Plantation, Maine – Squire James Rangeley, Jr. (proprietor)
 * Ransom Township, Michigan – Gov. Epaphroditus Ransom
 * Ransomville, New York – Clark Ransom (settler)
 * Rapidan River (Virginia) – Anne, Queen of Great Britain (The name is a conjunction of the phrase "Rapid Anne").
 * Rathbone, New York – Gen. Ransom Rathbone (settler)
 * Rayl, California – David Rayl (hotelier and merchant)
 * Raymond, California – Raymond Whitcomb (travel official)
 * Raymond, Maine – Captain William Raymond
 * Raymond, New Hampshire – John Raymond (grantee)
 * Raymondville, New York – Benjamin Raymond (land agent)
 * Raysville, Indiana – Gov. James B. Ray
 * Readington Township, New Jersey – John Reading (governor of the Province of New Jersey)
 * Readsboro, Vermont – John Reade (landholder) (note spelling)
 * Rector, Arkansas – Wharton or Elias W. Rector (politicians)
 * Red Cloud, Nebraska – Red Cloud (Lakota chief)
 * Redding, Connecticut – John Read (landholder) (the spelling was changed to better reflect its pronunciation)
 * Redfield, Arkansas – Jared E. Redfield (railroad executive)
 * Redmond, Oregon – Frank and Josephine Redmond (homesteaders)
 * Red Wing, Minnesota – Red Wing (Native American chief)
 * Reedley, California – Thomas Law Reed (founder and landowner)
 * Reedsburg, Wisconsin – David C. Reed (settler)
 * Reeseville, Wisconsin – Samuel Reese (settler)
 * Reidsville, Georgia – Robert R. Reid (territorial governor of Florida)
 * Reidsville, North Carolina – Gov. David Settle Reid
 * Reiff, California – John Reiff (first postmaster)
 * Remsen, New York – Henry Remsen (patentee)
 * Reno, Nevada – Jesse L. Reno
 * Rensselaer, New York – Kiliaen van Rensselaer
 * Revere, Massachusetts – Paul Revere
 * Revillagigedo Islands (Alaska) – Count of Revilla Gigedo (Viceroy of New Spain)
 * Reynoldsburg, Ohio – Jeremiah N. Reynolds (author and newspaper editor)
 * Rhinebeck (village), New York – William Beek man (founder) (also named for Rhineland, Germany (Beekman's home))
 * Rheem, California – Donald I. Rheem (developer)
 * Ricardo, California – Richard Hagen
 * Richardson Springs, California – J.H. and Lee Richardson (early developers)
 * Richburg, New York – Alvan Richardson (settler)
 * Richland, Washington – Nelson Rich (state legislator and land developer)
 * Richmond, Maine – Ludovic Stewart, 1st Duke of Richmond
 * Richmond, Massachusetts and Richmond, New Hampshire – Charles Lennox, 3rd Duke of Richmond
 * Richmond, Rhode Island – Edward Richmond (colonial attorney general)
 * Richville, New York – Salmon Rich (settler)
 * Ridgway, Pennsylvania – John Jacob Ridgway (landowner)
 * Ridleys Ferry, California – Thomas E. Ridley (ferry operator)
 * Rienzi, Mississippi – Cola di Rienzo
 * Rindge, New Hampshire – Captain Daniel Rindge (one of the original grant holders)
 * Ripley, Maine and Ripley, New York – Brigadier General Eleazer Wheelock Ripley (of the War of 1812)
 * Rippey, Iowa – C.M. Rippey (settler)
 * Rising City, Nebraska – A.W. and S.W. Rising (landowners)
 * Rivanna River (Virginia) – Anne, Queen of Great Britain
 * Ritzville, Washington – Philip Ritz (settler)
 * Robbinston, Maine – Edward H. and Nathaniel J. Robbins (landowners)
 * Robert Lee, Texas – Robert E. Lee (US Civil War General)
 * Robidoux Pass (Nebraska) – Antoine Robidoux (trader)
 * Robinson, Kansas – Gov. Charles L. Robinson
 * Robstown, Texas – Robert Driscoll Jr. (landowner)
 * Rochester, New Hampshire and Rochester, Ulster County, New York – Laurence Hyde, 1st Earl of Rochester (brother-in-law to James II of England)
 * Rochester, Minnesota – Colonel Nathaniel Rochester (indirectly, via Rochester, New York)
 * Rochester, New York – Colonel Nathaniel Rochester
 * Rockingham, Vermont – Charles Watson-Wentworth, 2nd Marquess of Rockingham
 * Rockwood, California – Charles R. Rockwood (irrigation promoter)
 * Rodman, New York – Daniel Rodman
 * Rohnerville, California – Henry Rohner (founder)
 * Rolfe, Iowa – John Rolfe (settler of Virginia)
 * Rollinsford, New Hampshire – descendants of Judge Ichabod Rollins (first probate judge for New Hampshire)
 * Rollinsville, Colorado – John Q.A. Rollins
 * Romulus, Michigan and Romulus, New York – Romulus
 * Roodhouse, Illinois – John Roodhouse (founder)
 * Roosevelt, New Jersey – Franklin D. Roosevelt
 * Root, New York – Erastus Root (politician)
 * Rose, New York – Robert L. Rose (congressman)
 * Roseboom, New York – Abraham Roseboom (settler)
 * Ross, California – James Ross (early settler)
 * Ross Corner, California – W.C. Ross (early settler and merchant)
 * Rossie, New York – Rossie Parish (proprietor's sister)
 * Rossville, Kansas – W.W. Ross (Indian agent)
 * Rossville, Tennessee – John Ross (Cherokee chief)
 * Roswell, Colorado – Roswell P. Flower (governor of New York)
 * Roswell, Georgia – Roswell King (founder)
 * Rothville, Missouri – John Roth (settler)
 * Rowe, Massachusetts – John Rowe (Boston merchant)
 * Rowesville, South Carolina – Gen. William Rowe
 * Rowletts, Kentucky – John P. Rowlett
 * Royalston, Massachusetts – Isaac Royal (landowner)
 * Ruckersville, Virginia - John Rucker (founder)
 * Rulo, Nebraska – Charles Rouleau (note the spelling)
 * Rumford, Maine – Benjamin Thompson (also known as Count Rumford)
 * Rumney, New Hampshire – Robert Marsham, 2nd Baron Romney (note spelling)
 * Rumsey, California – Capt. D.C. Rumsey (early settler)
 * Rumsey, Kentucky – Edward Rumsey
 * Rushmore, Minnesota – S.M. Rushmore (pioneer)
 * Rushville, Indiana and Rushville, Illinois – Dr. Benjamin Rush (Founding Father)
 * Rusk, Texas – Thomas Jefferson Rusk (signer of the Texas Declaration of Independence)
 * Russell, Kansas – Capt. Avra Russell
 * Russell, New York – Russell Atwater (proprietor)
 * Russell City, California – Frederick James Russell (town planner)
 * Rutherford, New Jersey – John Rutherford (landowner)
 * Rutherfordton, North Carolina – Gen. Griffith Rutherford
 * Ryan, California – John Ryan (borax company official)

S

 * Sabattus, Maine – Sabattus (Anasagunticook Indian chief)
 * Sackets Harbor, New York – Augustus Sacketts (settler) (note the spelling)
 * Safford, Arizona – Anson P. K. Safford (territorial governor)
 * Sageville, Iowa – Hezekiah Sage
 * St. Anthony, Minnesota – Anthony of Padua (indirectly, via Saint Anthony Falls)
 * Saint Anthony Falls (Minnesota) – Anthony of Padua
 * St. Augustine, Florida – Saint Augustine
 * St. Augustine, Maryland – Augustine Herman (explorer)
 * St. Clair, Michigan – Clare of Assisi (note the spelling)
 * St. Clair, Pennsylvania – Gen. Arthur St. Clair
 * St. Clairsville, Ohio – Gen. Arthur St. Clair
 * St. Clement, Missouri – Clement Grote (settler)
 * St. Deroin, Nebraska – Joseph Deroin (Otoe chief)
 * Ste. Genevieve, Missouri – Genevieve
 * St. George, Maine – Saint George
 * St. George, Vermont – George III of Great Britain
 * St. George, West Virginia – St. George Tucker (state legislator)
 * Saint James, Indiana – Saint James
 * St. James, 5 places in Maryland, Minnesota, Missouri, New York, and North Carolina – Saint James
 * St. John, Kansas – Gov. John St. John
 * St. Johns, Michigan – John Swegles Jr. (founder)
 * St. Johnsbury, Vermont – J. Hector St. John de Crèvecœur (diplomat)
 * St. Johns River (Florida) – John the Baptist
 * St. Joseph, Michigan – Saint Joseph (indirectly, via the St. Joseph River)
 * St. Joseph, Missouri – Joseph Robidoux IV (founder)
 * St. Joseph River (Lake Michigan) – Saint Joseph
 * St. Lawrence River – Saint Lawrence
 * St. Louis, Missouri – Saint Louis
 * St. Nazianz, Wisconsin – Gregory of Nazianzus
 * St. Paul, Minnesota – Saint Paul
 * St. Paul, Nebraska – J.N. and N.J. Paul (settlers)
 * St. Pete Beach, Florida – Saint Peter (indirectly, via St. Petersburg, Russia)
 * St. Petersburg, Florida – Saint Peter (indirectly, via St. Petersburg, Russia)
 * St. Marys River (Michigan–Ontario) – Mary, mother of Jesus
 * St. Vrain Creek (Colorado) – Ceran St. Vrain (fur trader)
 * Salamanca (city), New York and Salamanca (town), New York – Don José de Salamanca y Mayol, Marquis of Salamanca
 * Salisbury, Missouri – Lucius Salisbury (resident)
 * Sallis, Mississippi – Dr. James Sallis (landowner)
 * Salyersville, Kentucky – Samuel Salyer (state legislator)
 * Samsonville, New York – Gen. Henry A. Sampson (note the spelling)
 * San Andreas, California – Saint Andrew
 * San Angelo, Texas – Carolina Angela DeWitt (wife of the city's founder Bartholomew J. DeWitt)
 * San Antonio, Florida and San Antonio, Texas – Saint Anthony of Padua
 * San Bernardino, California – Saint Bernardine of Siena
 * San Bruno, California – Saint Bruno of Cologne (indirectly, via the San Bruno Creek)
 * San Diego, California – Saint Didacus
 * San Francisco, California – Saint Francis
 * San Jose, California – Saint Joseph
 * San Juan Capistrano, California – Saint John Capistrano
 * San Leandro, California – Saint Leander of Seville
 * San Lorenzo, California – Saint Lawrence
 * San Lucas, California – Luke the Evangelist (indirectly, from the Spanish land grant)
 * San Luis Obispo, California – Saint Louis of Toulouse
 * San Luis Rey, California – Saint Louis
 * San Mateo, California – Saint Matthew
 * San Miguel, San Luis Obispo County, California – Saint Michael
 * San Pablo, California – Saint Paul
 * Sanborn, Iowa – George W. Sanborn (railroader)
 * Sanbornton, New Hampshire – John Sanborn (grantee)
 * Sanders, California – Charlotte E. Sanders (first postmaster)
 * Sandisfield, Massachusetts – Samuel Sandys, 1st Baron Sandys (note the spelling)
 * Sanford, Florida – Henry Shelton Sanford (diplomat and founder)
 * Sanford, Maine – Peleg Sanford (proprietor)
 * Sanger, California – Joseph Sanger Jr. (Railroad Yardmaster Association secretary-treasurer)
 * Sangerfield, New York – Jedediah Sanger (judge)
 * Sangerville, Maine – Colonel Calvin Sanger (landowner)
 * Santa Ana, California and Santa Ana Pueblo, New Mexico – Saint Anne
 * Santa Barbara, California – Saint Barbara
 * Santa Clara, California – Saint Clare of Assisi
 * Santa Monica, California – Saint Monica
 * Santa Ynez, California – Saint Agnes
 * Sapinero, Colorado – Sapinero (Native American chief)
 * Saranap, California – Sara Nap thaly (mother of a railroad man)
 * Sarcoxie, Missouri – Sarcoxie (Native American chief)
 * Sault Ste. Marie, Michigan – Mary, mother of Jesus (indirectly, after the St. Marys River)
 * Sauvie Island (Oregon) – Jean Baptiste Sauve (dairy owner)
 * Sayre, Pennsylvania – R.S. Sayre (railroader)
 * Schererville, Indiana – Nicholas Scherer (German settler)
 * Schoolcraft, Michigan – Henry Schoolcraft (anthropologist)
 * Schroeppel, New York – Henry W. Schroeppel (resident)
 * Schuyler, Nebraska – Vice President Schuyler Colfax
 * Schuylerville, New York – Gen. Philip Schuyler
 * Schwaub, California – Charles M. Schwab (note the spelling)
 * Scipio, New York – Scipio Africanus (Roman general)
 * Scott, New York – General Winfield Scott
 * Scottdale, Georgia – George Washington Scott
 * Scottdale, Pennsylvania – Thomas A. Scott (railroader)
 * Scotts, California – Charles A. Scott (first postmaster)
 * Scottsboro, Georgia – Gen. John Scott
 * Scottsburg, New York – Matthew and William Scott (settlers)
 * Scotts Corner, California – Thomas Scott, Sr. (local merchant)
 * Scottsdale, Arizona – Chaplain Winfield Scott
 * Scottsville, Kentucky – Gen. Charles Scott (also served as governor of Kentucky)
 * Scottsville, New York – Isaac Scott (settler)
 * Scranton, Pennsylvania – Selden T. and George W. Scranton (founders of the Lackawanna Steel Company and, later, the city)
 * Scriba, New York – George Scriba (proprietor)
 * Searsmont, Maine – David Sears (proprietor)
 * Searsport, Maine – David Sears (proprietor)
 * Seattle, Washington – Chief Seattle
 * Sedgwick, Arkansas – Union Major General John Sedgwick
 * Sedgwick, Colorado – Union Major General John Sedgwick (indirectly, via Fort Sedgwick)
 * Sedgwick, Kansas – Union Major General John Sedgwick (indirectly, via Sedgwick County)
 * Sedgwick, Maine – Major Robert Sedgwick
 * Sedona, Arizona – Sedona Miller Schnebly (wife of the city's first postmaster)
 * Seeley, California – Henry Seeley (developer of Imperial County)
 * Seguin, Texas – Juan Seguin (Texas political figure and Texas Revolution patriot)
 * Seigler Springs, California – Thomas Seigler (discoverer of the springs)
 * Selby, California – Prentiss Selby (first postmaster)
 * Selma, California – Selma Michelsen (wife of railroad employee)
 * Sempronius, New York – Tiberius and Gaius Sempronius Gracchus (Roman tribunes and agrarian reformers)
 * Senath, Missouri – Senath Douglass (settler's wife)
 * Sergeant Bluff, Iowa – Sergeant Charles Floyd
 * Seward, Alaska, Seward, Nebraska, and Seward, New York – William H. Seward
 * Seymour, Connecticut – Governor Thomas H. Seymour
 * Shafter, California – Gen. William Rufus Shafter
 * Shaftsbury, Vermont – Earl of Shaftesbury (note spelling)
 * Shakopee, Minnesota – Shakopee (Native American chief)
 * Shapleigh, Maine – Major Nicholas Shapleigh (proprietor)
 * Sharon, California – William Sharon (financier)
 * Sharpsburg, Kentucky – Moses Sharp
 * Sharpsburg, Pennsylvania – James Sharp (proprietor)
 * Shaver Lake, California – C.B. Shaver (irrigation company founder)
 * Shaver Lake Heights, California – C.B. Shaver (irrigation company founder)
 * Sheffield, Iowa – James Sheffield (railroad contractor)
 * Shelburne, 3 places in Massachusetts, New Hampshire, and Vermont – William Petty, 2nd Earl of Shelburne
 * Shelby, New York – Gen. Isaac Shelby
 * Shelbyville, 3 places in Illinois, Indiana, and Missouri – Gen. Isaac Shelby
 * Shepherd, Michigan – I.N. Shepherd (founder)
 * Shepherdstown, West Virginia – Capt. Thomas Shepherd
 * Sheridan, Montana and Sheridan, Wyoming – General Philip Sheridan (Union cavalry leader in the American Civil War)
 * Sherman, Michigan – Gen. William T. Sherman
 * Sherman, New York – Roger Sherman (Founding Father)
 * Sherman, Texas – Sidney Sherman (Texian patriot)
 * Shirley, Maine – William Shirley (indirectly, via Shirley, Massachusetts)
 * Shirley, Massachusetts – William Shirley (governor of Massachusetts)
 * Shirleysburg, Pennsylvania – William Shirley (governor of Massachusetts)
 * Shoup, Idaho – George L. Shoup (U.S. Senator)
 * Shreveport, Louisiana – Captain Henry Shreve, who opened the Red River, which runs through Shreveport, to marine navigation
 * Shrewsbury, Massachusetts – George Talbot, 6th Earl of Shrewsbury
 * Shrewsbury, Vermont – Earl of Shrewsbury
 * Shullsburg, Wisconsin – Jesse W. Shull (settler)
 * Shutesbury, Massachusetts – Samuel Shute (governor of Massachusetts)
 * Sicard Flat, California – Theodore Sicard (early settler)
 * Sidney, Iowa – Sir Phillip Sidney (English author) (indirectly, after Sidney, Ohio)
 * Sidney, Maine and Sidney, Ohio – Sir Philip Sidney (English author)
 * Sidney, Montana – Sidney Walters (son of settlers)
 * Sidney, Nebraska – Sidney Dillon (railroad attorney)
 * Sidney, New York – Admiral Sir Sidney Smith
 * Sigel, Illinois – Gen. Franz Sigel
 * Sigourney, Iowa – Lydia Sigourney (poet)
 * Sikeston, Missouri – John Sikes (founder)
 * Silsbee, California – Thomas Silsbee (local rancher)
 * Silsbee, Texas – Nathaniel D. Silsbee (railroad investor)
 * Simpsonville, Kentucky – John Simpson (U.S. representative)
 * Sinclairville, New York – Samuel Sinclair (settler)
 * Sinton, Texas – David Sinton
 * Skilesville, Kentucky – James R. Skiles
 * Slates Hot Springs, California – Thomas B. Slate (owner, founder)
 * Slatersville, Rhode Island – Samuel Slater (founder)
 * Slaughters, Kentucky – G.G. Slaughter (settler)
 * Slayton, Minnesota – Charles Slayton (founder)
 * Sleepy Eye, Minnesota – Ishanumbak (Native American chief whose eyes were said "to have the appearance of sleep.")
 * Sloan, Iowa – Samuel Sloan (railroad official)
 * Sloansville, New York – John R. Sloan (settler)
 * Sloat, California – John D. Sloat (Naval commodore who claimed California for the United States)
 * Sly Park, California – James Sly (pioneer)
 * Smartsville, California – Jim Smart (Gold Rush settler and merchant)
 * Smethport, Pennsylvania – Theodore Smeth (friend of proprietor)
 * Smith's Ferry, California – James Smith (founder)
 * Smith Center, Kansas – J. Nelson Smith (soldier) (indirectly, via Smith County)
 * Smithfield, Maine – Rev. Henry Smith (settler)
 * Smithfield, New York – Peter Smith
 * Smithfield, North Carolina – John Smith (state legislator)
 * Smithflat, California – Jeb Smith (pioneer rancher)
 * Smith River (Montana) – Robert Smith (Secretary of State)
 * Smithtown, New York – Richard Smith (proprietor)
 * Smithville, Missouri – Humphrey Smith (settler)
 * Smithville, New York – Jesse Smith (lumber dealer)
 * Snydertown, Northumberland County, Pennsylvania – Gov. Simon Snyder
 * Soddy-Daisy, Tennessee – William Sodd er (trading post proprietor) and Daisy Parks (daughter of a coal company manager)
 * Solon, Maine and Solon, New York – Solon (statesman and poet of Ancient Greece)
 * Somers, Connecticut – Lord John Somers of England
 * Somers, New York – Capt. Richard Somers
 * Somersville, California – Francis Somers (coal mine founder)
 * Somerville, Massachusetts – Capt. Richard Somers
 * Soperton, Georgia – Benjamin Franklin Soper (railroad engineer)
 * South Amboy, New Jersey – James Drummond, 4th Earl of Perth (The article The Amboys contains the etymology)
 * South Anna River (Virginia) – Anne, Queen of Great Britain
 * South Burlington, Vermont – Richard Boyle, 3rd Earl of Burlington (indirectly, via Burlington, Vermont)
 * South Carolina – Charles I of England (King of Great Britain, Carolinus is Latin for Charles)
 * South Euclid, Ohio – Euclid (Greek mathematician)
 * South Padre Island, Texas – José Nicolás Ballí (Padre Ballí) (Catholic priest and settler)
 * South Thomaston, Maine – General John Thomas (indirectly, via Thomaston, Maine)
 * Spafford, New York – Horatio Spafford
 * Spalding, Missouri – Robert Marion Spalding owner of Spalding Springs
 * Spalding Tract, California – John S. Spalding (founder)
 * Sparks, Nevada – John Sparks
 * Spearville, Kansas – Alden Speare (resident of Boston)
 * Spencer, Indiana – Capt. Spier Spencer
 * Spencer, Massachusetts – Spencer Phips (acting governor of Massachusetts)
 * Spencerport, New York – William H. Spencer (settler)
 * Spivey, Kansas – R.M. Spivey (landowner)
 * Sprague, Washington – General John W. Sprague (railroad executive)
 * Spreckels, California – Claus Spreckels (sugar magnate)
 * Stacy, California – Stacy Spoon
 * Stafford, Humboldt County, California – Judge Cyrus G. Stafford
 * Stafford, Kansas – Lewis Stafford (soldier)
 * Standish, California and Standish, Maine – Myles Standish
 * Stanfield, Oregon – Senator Robert N. Stanfield
 * Stanley, North Carolina – Elwood Stanley (U.S. representative)
 * Stannard, Vermont – George J. Stannard
 * Stanton, Michigan – Edwin Stanton (Secretary of War)
 * Stark, Kansas – General John Stark (indirectly, via Stark County, Illinois)
 * Stark, New Hampshire and Stark, New York – General John Stark (author of New Hampshire's motto, "Live Free or Die")
 * Starkey, New York – John Starkey (settler)
 * Starks, Maine – General John Stark
 * Starksboro, Vermont – General John Stark
 * Starkville, Colorado – Albert G. Stark (coal mine owner)
 * Starkville, Mississippi – General John Stark
 * Stege, California – Richard Stege (founder and landowner)
 * Stephenson, Michigan – Robert Stephenson
 * Stephentown, New York – Stephen Van Rensselaer (Lieutenant Governor of New York)
 * Sterling, Kansas – Sterling Rosan (settlers' father)
 * Sterling, Massachusetts – General William "Lord Stirling" Alexander (Scottish expatriate) (note spelling)
 * Stetson, Maine – Amasa Stetson (landowner)
 * Steuben, Maine and Steuben, New York – Friedrich Wilhelm von Steuben
 * Steubenville, Ohio – Friedrich Wilhelm von Steuben
 * Stevens Point, Wisconsin – J.D. Stevens (missionary)
 * Stevensville, Michigan – Thomas L. Stevens (founder)
 * Stevensville, Montana – Isaac Stevens (1st governor of Washington Territory)
 * Stevinson, California – James J. Stevinson (landowner)
 * Stewartstown, New Hampshire – Sir John Stuart (the town was incorporated following the Scottish spelling of the name)
 * Stewartsville, Missouri – Gov. Robert Marcellus Stewart
 * Stewartville, California – William Stewart (local coal mine owner)
 * Stickney, South Dakota – J.B. Stickney (railroad official)
 * Stilesville, Indiana – Jeremiah Stiles (proprietor)
 * Stinson Beach, California – Nathan H. Stinson (landowner)
 * Stockton, 3 places in California, Missouri, and New York – Robert F. Stockton
 * Stoddard, New Hampshire – Colonel Sampson Stoddard (grantee of territory)
 * Stokes Landing, California – James Johnstone Stokes (founder)
 * Stonewall, North Carolina – Stonewall Jackson (Confederate general)
 * Stoughton, Massachusetts – William Stoughton (first chief justice of Colonial Courts)
 * Stoughton, Wisconsin – Luke Stoughton (Englishman from Vermont)
 * Stoutsville, Missouri – Robert P. Stout
 * Stoystown, Pennsylvania – John Stoy (settler)
 * Strafford, New Hampshire and Strafford, Vermont – Thomas Wentworth, Earl of Strafford
 * Stratham, New Hampshire – Wriothesley Russell, 2nd Duke of Bedford, Baron Howland of Streatham (note spelling)
 * Stratton, Vermont – Samuel Stratton (settler)
 * Strong, Maine – Caleb Strong (governor of Massachusetts)
 * Strong City, Kansas – William Barstow Strong (ATSF president)
 * Strother, Missouri – French Strother (professor)
 * Stroudsburg, Pennsylvania – Col. Jacob Stroud (settler)
 * Struthers, Ohio – Captain John Struthers (founder)
 * Stuart, Nebraska – Peter Stuart (settler)
 * Sturgeon, Missouri – Isaac Sturgeon (resident of St. Louis)
 * Sturgis, Michigan – Judge John Sturgis (settler)
 * Stuyvesant, New York – Peter Stuyvesant (colonial governor)
 * Suffern, New York – John Suffern (first Rockland County judge)
 * Sullivan, Indiana – Daniel Sullivan (soldier)
 * Sullivan, Maine – Daniel Sullivan (settler)
 * Sullivan, Missouri – General John Sullivan (indirectly, via Sullivan County, Tennessee)
 * Sullivan, New Hampshire and Sullivan, New York – General John Sullivan
 * Sumner, Maine – Increase Sumner (governor of Massachusetts)
 * Sumter, South Carolina – Gen. Thomas Sumter
 * Sunderland, Massachusetts – Charles Spencer, 3rd Earl of Sunderland
 * Sunol, California – Antonio Suñol (Californio ranchero)
 * Surry, New Hampshire – Charles Howard, Earl of Surrey
 * Sutro, Nevada – Adolph Sutro
 * Susanville, California – Susan Roop (daughter of Isaac Roop)
 * Sutter, California – John A. Sutter (pioneer of the California Gold Rush)
 * Sutter Creek, California – John A. Sutter
 * Sutter Hill, California – John A. Sutter
 * Swainsboro, Georgia – Stephen Swain (state senator)
 * Swan's Island, Maine – Colonel James Swan of Fife, Scotland (land purchaser)
 * Sweetland, California – Sweetland brothers (early settlers)
 * Swepsonville, North Carolina – George William Swepson (capitalist)
 * Symmes Township, Hamilton County, Ohio – John Cleves Symmes (judge)

T

 * Taft, California – William Howard Taft
 * Talbott, Tennessee – Col. John Talbott
 * Talbotton, Georgia – Gov. Matthew Talbot
 * Talmadge, Maine – Benjamin Talmadge (landowner)
 * Talmage, California – Junius Talmage (early settler)
 * Tamworth, New Hampshire – British Admiral Washington Shirley, Viscount Tamworth
 * Tancred, California – Tancred, Prince of Galilee
 * Taopi, Minnesota – Taopi (Native American chief)
 * Tarkington Prairie, Texas – Burton Tarkington (early settler)
 * Tarpey, California – Arthur B. Tarpey
 * Tatamy, Pennsylvania – Tatamy (Native American chief)
 * Taylor, New York – Zachary Taylor
 * Taylor County, 4 places in Florida, Georgia, Iowa, and Kentucky – Zachary Taylor, twelfth President of the United States of America
 * Taylor Ridge (Georgia) – Richard Taylor (Cherokee chief)
 * Taylorsville, Indiana – Zachary Taylor
 * Taylorsville, Kentucky – Richard Taylor (proprietor)
 * Taylorsville, North Carolina – John Louis Taylor (judge)
 * Taylorville, California – Samuel P. Taylor (paper mill owner)
 * Tazewell, Georgia and Tazewell, Virginia – Henry Tazewell (U.S. Senator from Virginia)
 * Tecopa, California – Chief Tecopa (Paiute chief)
 * Tecumseh, 3 places in Michigan, Nebraska, and Oklahoma – Tecumseh (Native American leader)
 * Tekonsha, Michigan – Tekonsha (Native American chief)
 * Temple, New Hampshire – John Temple (lieutenant governor to colonial governor John Wentworth)
 * Temple, Texas – Bernard Moore Temple (civil engineer)
 * Templeton, Massachusetts – Richard Grenville-Temple, 2nd Earl Temple
 * Terry, Mississippi – Bill Terry (resident)
 * Terry, Montana – General Alfred Howe Terry
 * Thacher Island (Massachusetts) – Anthony Thacher (sailor shipwrecked there)
 * Thayer, Kansas – Nathaniel Thayer
 * Thetford, Vermont – Augustus Henry Fitzroy, 3rd Duke of Grafton, 4th Earl of Arlington and 4th Viscount Thetford
 * Thibodaux, Louisiana – Gov. Henry S. Thibodaux
 * Thomaston, Connecticut – Seth Thomas (clockmaker)
 * Thomaston, Georgia – Gen. Jett Thomas
 * Thomaston, Maine – General John Thomas of the Continental Army
 * Thomasville, Georgia – Gen. Jett Thomas
 * Thompson, Connecticut – Sir Robert Thompson (English landholder)
 * Thorndike, Maine – Israel Thorndike (landowner)
 * Thornton, Colorado – Governor Dan Thornton
 * Thornton, Mississippi – Dr. C.C. Thornton (landowner)
 * Thornton, New Hampshire – Dr. Matthew Thornton (grantee and signer of the Declaration of Independence)
 * Throggs Neck, Bronx, New York – John Throckmorton (patentee)
 * Throop, New York – Gov. Enos T. Throop
 * Thurman, New York – John Thurman
 * Thurston, New York – William R. Thurston (landowner)
 * Tiffin, Ohio – Gov. Edward Tiffin
 * Tilton, New Hampshire – Nathaniel Tilton (iron foundry owner and hotelier)
 * Tinley Park, Illinois – Samuel Tinley, Sr. (railroad station agent)
 * Tipton, Indiana – John Tipton (U.S. Senator)
 * Titusville, Pennsylvania – Jonathan Titus (landowner)
 * Todd Valley, California – Dr. F. Walton Todd (store owner)
 * Tomah, Wisconsin – Tomah (Menominee chief)
 * Tome, New Mexico – Saint Thomas
 * Tompkins, New York – Daniel D. Tompkins (Vice President and governor of New York)
 * Tompkinsville, Kentucky and Tompkinsville, Staten Island, New York – Daniel D. Tompkins (Vice President and governor of New York)
 * Toms Place, California – Tom Yernby (resort owner)
 * Toms River, New Jersey – Capt. William Tom (settler)
 * Tormey, California – Patrick Tormey (landowner)
 * Torrance, California – Jared Sidney Torrance
 * Torrey, New York – Henry Torrey
 * Tower City, North Dakota and Tower City, Pennsylvania – Charlemagne Tower
 * Towle, California – George and Allen Towle (local lumbermen)
 * Townsend, Delaware – Samuel Townsend (landowner)
 * Townsend, Massachusetts – Charles Townshend (British cabinet minister) (note spelling)
 * Townshend, Vermont – the Townshend family (powerful figures in British politics)
 * Towson, Maryland – Ezekial Towson (hotelier)
 * Trenton, New Jersey – William Trent (landholder)
 * Trexlertown, Pennsylvania – John Trexler
 * Troy, North Carolina – Matthew Troy (lawyer)
 * Truesdale, Missouri – William Truesdale (landowner)
 * Trumbull, Connecticut – Jonathan Trumbull (governor of Connecticut)
 * Truxton, New York – Commodore Thomas Truxton (naval officer of the American Revolution)
 * Tryon, North Carolina – William Tryon (colonial governor)
 * Tuftonboro, New Hampshire – John Tufton Mason (owner of the town)
 * Tully, New York – Marcus Tullius Cicero
 * Tunbridge, Vermont – William Henry Nassau de Zuylestein, 4th Earl of Rochford, Viscount Tunbridge, Baron Enfield and Colchester
 * Tupman, California – H.V. Tupman (landowner)
 * Turner, Maine – Reverend Charles Turner (agent, later became minister of the town)
 * Turners Falls, Massachusetts – Captain William Turner
 * Tuscola, Illinois – Tusco (Native American chief)
 * Tustin, California – Columbus Tustin
 * Tusten, New York – Col. Benjamin Tusten
 * Tuttle, California – R.H. Tuttle (railroad executive)
 * Twain Harte, California – Mark Twain and Bret Harte
 * Tygart Valley River (West Virginia) – David Tygart (settler)
 * Tyler, Texas – John Tyler
 * Tyngsborough, Massachusetts – Colonel Jonathan Tyng (landowner)
 * Tyringham, Massachusetts – Jane Tyringham (married name Beresford) cousin of Sir Francis Bernard; the only town in Massachusetts named after a woman; Sir Francis Bernard inherited Nether Winchendon House, Bucks., England from her

U

 * Udall, Kansas – Cornelius Udall
 * Ulysses, Kansas and Ulysses, Nebraska – Ulysses S. Grant
 * Uncasville, Connecticut – Uncas (Native American chief)
 * Underhill, Wisconsin – William Underhill (settler from Vermont)
 * Urban, California – Eva L. Urban (first postmaster)
 * Uvalde, Texas – Juan de Ugalde (Spanish governor of Coahuila) (indirectly, via Uvalde County, Texas)
 * Uxbridge, Massachusetts – Henry Paget, 1st Earl of Uxbridge

V

 * Vacaville, California – Juan Manuel Vaca (founder)
 * Vade, California – Sieera Nevada "Vade" Phillips (founder's daughter)
 * Valdez, Alaska – Antonio Valdés y Basán (Spanish naval officer)
 * Valdosta, Georgia – Augustus (indirectly, via Aosta, Italy)
 * Vallejo, California – Mariano Guadalupe Vallejo
 * Van Buren, New York – Martin van Buren
 * Van Lear, Kentucky – Van Lear Black (businessman)
 * Van Nuys, California – Isaac Newton Van Nuys (landowner)
 * Vanceboro, Maine – William Vance (landowner)
 * Vanceboro, North Carolina – Zebulon Baird Vance (governor and U.S. Senator)
 * Vancouver, Washington – George Vancouver (explorer)
 * Van Etten, New York – James B. Van Etten (state legislator)
 * Vassalboro, Maine – Florentins Vassall (patentee)
 * Vaugine Township, Arkansas – Major Francis Vaugine (landowner)
 * Veazie, Maine – General Samuel Veazie (businessman)
 * Vergennes, Vermont – Charles Gravier, Comte de Vergennes
 * Verplanck, New York – Philip Verplanck
 * Vicksburg, Mississippi – Neivitt Vick (founder)
 * Victoria, Texas – General Guadalupe Victoria (first president of Mexico)
 * Victorville, California – Jacob Nash Victor
 * Vidalia, Louisiana – Don José Vidal (colonial governor)
 * Vidor, Texas – Charles Shelton Vidor (owner of the Miller-Vidor Lumber Company)
 * Vinalhaven, Maine – John Vinal (Boston merchant who helped settlers obtain title to the land)
 * Vining, Kansas – E.P. Vining (railroader)
 * Vinton, California – Vinton Bowen (daughter of a railroad official)
 * Viola, Wisconsin – Viola Buck
 * Virgil, New York – Virgil (Roman poet)
 * Virgilia, California – Virgilia Bogue (daughter of railroad executive Virgil Bogue)
 * Virginia – Elizabeth I of England, the "Virgin Queen"
 * Virginia City, Nevada – Elizabeth I of England, the "Virgin Queen" (indirectly, via Virginia)
 * Volney, New York – Constantin François de Chassebœuf, comte de Volney (philosopher)
 * Votaw, Texas – Clark M. Votaw (vice president of the Santa Fe Townsite Company, which laid out the town lots)
 * Voorheesville, New York – Theodore Voorhees (railroader)

W

 * Wabasha, Minnesota – Wabasha (Native American chief)
 * Wabaunsee, Kansas – Waubonsie (Native American chief) (note the spelling)
 * Wacouta, Minnesota – Wacouta (Native American chief)
 * Waddington, California – Alexander Waddington (local merchant)
 * Waddington, New York – Joshua Waddington (proprietor)
 * Wadesboro, North Carolina – Col. Thomas Wade
 * Wadsworth, Ohio – General Elijah Wadsworth
 * Wagener, South Carolina - George Wagener (Charleston merchant and railroad company president)
 * Waite, Maine – Benjamin Waite (lumberman)
 * Waitsfield, Vermont – General Benjamin Wait (founder)
 * WaKeeney, Kansas – A.E. Wa rren and J.F. Keeney (founders)
 * Wakefield, Kansas – Rev. Richard Wake (founder)
 * Wakefield, Massachusetts – Cyrus Wakefield (wicker furniture manufacturer)
 * Wakefield, North Carolina – Margaret Wake Tryon (colonial governor's wife) (indirectly, via Wake County)
 * Wake Forest, North Carolina – Margaret Wake Tryon (colonial governor's wife) (indirectly, via Wake County)
 * Walden, New York – Jacob T. Walden
 * Waldo, Maine – General Samuel Waldo (proprietor)
 * Waldo, Wisconsin – O.H. Waldo (railroad company president)
 * Waldo Junction, California – William Waldo (early settler)
 * Waldoboro, Maine – General Samuel Waldo
 * Waldron Island (Washington) – W.T. Waldron (sailor)
 * Wales, Massachusetts – James Lawrence Wales (benefactor)
 * Walesboro, Indiana – John P. Wales (founder)
 * Walker Pass (California) – Joseph R. Walker (explorer)
 * Walker River (Nevada) – Joseph R. Walker (explorer)
 * Wallace, California – John Wallace (surveyor)
 * Wallace, Idaho – Colonel W.R. Wallace (landowner)
 * Wallington, New Jersey – Walling van Winkle (landowner)
 * Walpole, Massachusetts and Walpole, New Hampshire – Robert Walpole, Earl of Orford
 * Walsenburg, Colorado – Fred Walsen (store owner)
 * Walthall, Mississippi – Gen. Edward C. Walthall
 * Walton (town), New York – William Walton (landowner)
 * Walworth, New York – Reuben H. Walworth (politician)
 * Ward, Indiana – Thomas B. Ward (U.S. representative)
 * Wardner, Idaho – James Wardner (promoter of a local mine)
 * Wardsboro, Vermont – William Ward (grantee)
 * Wards Island (New York) – Jasper and Bartholomew Ward (landowners)
 * Waresboro, Georgia – Nicholas Ware (U.S. Senator)
 * Warner, New Hampshire – Jonathan Warner (leading Portsmouth citizen)
 * Warnerville, New York – Capt. George Warner (settler)
 * Warren, 6 places in Connecticut, Maine, Massachusetts, New York, Pennsylvania, and Vermont – Major General Joseph Warren
 * Warren, New Hampshire and Warren, Rhode Island – Admiral Sir Peter Warren (British naval hero)
 * Warren, Ohio – Moses Warren (surveyor)
 * Warrenton, North Carolina – Major General Joseph Warren
 * Warrenville, Illinois – Julius Warren (settler)
 * Warwick, Rhode Island – Robert Rich, 2nd Earl of Warwick
 * Washburn, Maine – Governor Israel Washburn Jr.
 * Washington (state) and Washington, D.C. – George Washington
 * Washington, 14 places in Georgia, Illinois, Indiana, Iowa, Kansas, Maine, Massachusetts, Michigan, Missouri, New Jersey, New Hampshire, New York, North Carolina, and Pennsylvania – George Washington
 * Washington Court House, Ohio – George Washington
 * Washington Crossing, New Jersey and Washington Crossing, Pennsylvania – George Washington
 * Washington Terrace, Utah – George Washington
 * Washingtonville, New York and Washingtonville, Pennsylvania – George Washington
 * Waterboro, Maine – Colonel Joshua Waters (proprietor)
 * Wathena, Kansas – Wathena (Native American chief)
 * Watkins Glen, New York – Dr. Samuel Watkins (founder)
 * Watkinsville, Georgia – Col. Robert Watkins (state legislator)
 * Watrous, New Mexico – Samuel B. Watrous (settler)
 * Watson, New York – James Watson (proprietor)
 * Watson, West Virginia – Joseph Watson (landowner)
 * Wattsburg, Pennsylvania – David Watts (settler)
 * Wauponsee, Illinois – Waubonsie (Native American chief) (note the spelling)
 * Wauseon, Ohio – Wauseon (Native American chief)
 * Wayland, Massachusetts and Wayland, New York – Dr. Francis Wayland (president of Brown University)
 * Waymansville, Indiana – Charles L. Wayman (founder)
 * Wayne, Maine – Revolutionary War General Anthony Wayne
 * Waynesboro, 3 places in Georgia, Mississippi, and Pennsylvania – Revolutionary War General Anthony Wayne
 * Waynesburg, Pennsylvania and Waynesburg, Ohio – Revolutionary War General Anthony Wayne
 * Waynesfield, Ohio – Revolutionary War General Anthony Wayne
 * Waynesville, North Carolina and Waynesville, Ohio – Revolutionary War General Anthony Wayne
 * Weare, New Hampshire – Meshech Weare (the town's first clerk)
 * Weatherford, Texas – Jefferson Weatherford (settler)
 * Webster, Massachusetts and Webster, New Hampshire – Daniel Webster
 * Webster Groves, Missouri – Daniel Webster
 * Weedsport, New York – Elisha and Edward Weed (settlers)
 * Weedville, Arizona – Ora Rush Weed (founder)
 * Weimar, California – a local Maidu chief
 * Weir, Kansas – T.M. Weir (founder)
 * Weissport, Pennsylvania – Col. Jacob Weiss (settler)
 * Welch, West Virginia – Capt. J.A. Welch
 * Welcome, Minnesota – Alfred M. Welcome (homesteader)
 * Weld, Maine – Benjamin Weld (proprietor)
 * Weldon, California – William B. Weldon (rancher)
 * Wellington, Colorado – C. L. Wellington (employee of the Colorado and Southern Railway)
 * Wellington, Kansas and Wellington, Maine – Arthur Wellesley, 1st Duke of Wellington
 * Wells, Minnesota – the wife of Clark W. Thompson
 * Wells, New York – Joshua Wells (settler)
 * Wellsboro, Pennsylvania – Henry Wells Morris (resident)
 * Wellsburg, West Virginia – Alexander Wells
 * Wellsville, Kansas – D.L. Wells (railroad contractor)
 * Wellsville, Ohio – William Wells (founder)
 * Wendell, Massachusetts – Judge Oliver Wendell of Boston
 * Wentworth, New Hampshire – Governor Benning Wentworth
 * Wesley, Maine and Wesley Township, Washington County, Ohio – John Wesley (founder of the English Methodist movement)
 * Wesson, Mississippi – Col. J.M. Wesson (founder)
 * West Gardiner, Maine – Dr. Sylvester Gardiner (Boston physician) (indirectly, via Gardiner, Maine)
 * West Lafayette, Indiana and West Lafayette, Ohio – Gilbert du Motier, marquis de Lafayette
 * West Richland, Washington – Nelson Rich (state legislator and land developer) (indirectly, via Richland, Washington)
 * West Virginia – Virgin Queen
 * West Warwick, Rhode Island – Robert Rich, 2nd Earl of Warwick (indirectly, via Warwick, Rhode Island)
 * Westbrook, Maine – Colonel Thomas Westbrook (early settler)
 * Westby, Wisconsin – O.T. Westby (settler)
 * Westerlo, New York – Rev. Eilardus Westerlo
 * Westmoreland, New Hampshire – John Fane, 7th Earl of Westmorland
 * Westport, Oregon – John West
 * Westville, California – George C. West (first postmaster)
 * Westville, Mississippi – Col. Cato West
 * Westville, Missouri – Dr. William S. West (postmaster)
 * Wetmore, Kansas – W.T. Wetmore (railroader)
 * Weyers Cave, Virginia – Bernard Weyer
 * Wharton, New Jersey – Joseph Wharton (co-founder of Bethlehem Steel)
 * Wharton, Texas – William H. Wharton and John A. Wharton (politicians)
 * Whately, Massachusetts – Thomas Whately (Member of Parliament)
 * Wheeler, New York – Capt. Silas Wheeler (settler)
 * Wheelock, Vermont – Eleazar Wheelock (founder of Dartmouth College)
 * Whipple Mountains (California) – Amiel Weeks Whipple (military engineer)
 * White, South Dakota – W.H. White (settler)
 * White Cloud Township, Mills County, Iowa and White Cloud, Kansas – Ma-Hush-Kah (Native American chief)
 * Whitefield, Maine and Whitefield, New Hampshire – George Whitefield (English evangelist)
 * White Haven, Pennsylvania – Josiah White
 * Whitesboro, New York – Judge Hugh White (settler)
 * Whitestown, New York – Judge Hugh White (settler)
 * Whiteville, North Carolina – James B. White (state legislator)
 * Whiting, Iowa – Charles Whiting (judge)
 * Whiting, Maine – Timothy Whiting (settler)
 * Whiting, Vermont – John Whiting (landholder)
 * Whitingham, Vermont – Nathan Whiting (landholder)
 * Whitinsville, Massachusetts – Paul C. Whitin (cotton mill owner)
 * Whitman, Massachusetts – Augustus Whitman (landowner)
 * Whitman, Washington – Dr. Marcus Whitman (missionary)
 * Whitney, California – Joel Parker Whitney (rancher)
 * Whitney Point, New York – Thomas Whitney (postmaster)
 * Whitneyville, Connecticut – Eli Whitney (founder)
 * Whitneyville, Maine – Colonel Joseph Whitney (mill owner)
 * Whittier, Alaska – John Greenleaf Whittier (Poet)
 * Whittier, California – John Greenleaf Whittier (Poet)
 * Wibaux, Montana – Pierre Wibaux (cattle rancher)
 * Wickenburg, Arizona – Henry Wickenburg (discoverer of the Vulture Mine)
 * Wiggins, Colorado – Oliver P. Wiggins (frontiersman)
 * Wilber, Nebraska – C.D. Wilber (founder)
 * Wilcox, Pennsylvania – A.I. Wilcox
 * Wilcox Township, Michigan – S.N. Wilcox
 * Wildomar, California – Wil – William Collier, Do – Donald Graham, Mar – Margaret Collier (city founders)
 * Wilkes County, Georgia and Wilkes County, North Carolina – John Wilkes
 * Wilkes-Barre, Pennsylvania – John Wilkes and Isaac Barré
 * Wilkesboro, North Carolina – John Wilkes
 * Wilkinsburg, Pennsylvania – William Wilkins (Secretary of War)
 * Willet, New York – Colonel Marinus Willet
 * Williams, California – W.H. Williams (planner of the townsite)
 * Williams Bay, Wisconsin – Captain Israel Williams (settler who fought in the War of 1812)
 * Williamsburg, Ohio – Gen. William Haines Lytle (founder)
 * Williamsburg, Virginia – William III of England
 * Williamsport, Indiana – Gov. James D. Williams
 * Williamsport, Pennsylvania – William Hepburn (judge)
 * Williams River (Vermont) – Rev. John Williams
 * Williamson, New York – Charles Williamson (land agent)
 * Williamson River (Oregon) – Lt. Robert S. Williamson (explorer)
 * Williamston, South Carolina – Col. James Williams
 * Williamstown, Kentucky – William Arnold (settler)
 * Williamstown, Massachusetts – Ephraim Williams
 * Williamstown, Vermont – Ephraim Williams (indirectly, via Williamston, Mass.)
 * Williamsville, Missouri – Asa E. Williams (founder)
 * Williamsville, New York – Jonas Williams (settler)
 * Willis, Kansas – Martin Cleveland Willis (settler)
 * Williston, North Dakota – Associate Justice Lorenzo P. Williston
 * Williston, Vermont – Samuel Willis (landholder)
 * Willits, California – Hiram Willits (landowner, early settler)
 * Willoughby, Ohio – Dr. Westel Willoughby, Jr. (U.S. Representative from New York)
 * Willoughby Hills, Ohio – Dr. Westel Willoughby, Jr.
 * Wilmette, Illinois – Antoine Ouilmette (French-Canadian fur trader)
 * Wilmington, 4 places in Delaware, Massachusetts, North Carolina, and Vermont – Spencer Compton, 1st Earl of Wilmington
 * Wilmot, New Hampshire – Dr. James Wilmot (English clergyman)
 * Wilseyville, California – Lawrence A. Wilsey (corporate executive)
 * Wilson, Kansas – Hiero T. Wilson (merchant from Fort Scott)
 * Wilson (town), New York – Reuben Wilson (settler)
 * Wilson and Wilson County, North Carolina – Colonel Louis D. Wilson (state senator)
 * Wilton, New Hampshire – Sir Joseph Wilton (English sculptor)
 * Winchester, Massachusetts – Colonel William P. Winchester
 * Winchester, New Hampshire – Charles Paulet, 3rd Duke of Bolton, 8th Marquess of Winchester, and constable of the Tower of London
 * Windham, New Hampshire – Sir Charles Wyndham, 2nd Earl of Egremont (note spelling)
 * Windom, Kansas and Windom, Minnesota – Senator William Windom
 * Windsor, Colorado – Rev. Samuel Asa Windsor
 * Winfield, Kansas – Chaplain Winfield Scott
 * Winfield (town), New York – Gen. Winfield Scott
 * Winn, Maine – John M. Winn (landholder)
 * Winnie, Texas – Fox Winnie (railroad contractor)
 * Winnsboro, South Carolina – Gen. Richard Winn (founder)
 * Winslow, Maine – General John Winslow
 * Winston-Salem, North Carolina – Joseph Winston
 * Winters, California – Theodore W. Winters (landowner)
 * Winthrop, Maine – John Winthrop (first Governor of Massachusetts)
 * Winthrop, Massachusetts – Deane Winthrop (son of John Winthrop, the first Governor of Massachusetts)
 * Wofford Heights, California – I.L. Wofford (founder)
 * Wolcott, Connecticut – Frederick Wolcott
 * Wolcott, New York and Wolcott, Vermont – General Oliver Wolcott (a signer of the Declaration of Independence)
 * Wolfeboro, New Hampshire – English General James Wolfe
 * Womelsdorf, Pennsylvania – Joseph Wommelsdorf (founder) (note the spelling)
 * Woodbury, Vermont – Col. Ebenezer Wood (grantee)
 * Woodfords, California – Daniel Woodford (early settler)
 * Woodhull, New York – Gen. Nathaniel Woodhull
 * Woodleaf, California – James Wood (property owner)
 * Woodsfield, Ohio – Archibald Woods (resident of Wheeling, West Virginia)
 * Woodsonville, Kentucky – Thomas Woodson (senator)
 * Woodville, Texas – George Tyler Wood (governor of Texas)
 * Woody, California – Dr. Sparrell Walter Woody (local rancher)
 * Wooster, Ohio – Gen. David Wooster
 * Worth, New York – Gen. William J. Worth
 * Worthington, Massachusetts – Col. John Worthington (proprietor)
 * Worthington, Minnesota – the maiden name of the wife of A.P. Miller (founder)
 * Wray, Colorado – John Wray (foreman)
 * Wright, New York – Silas Wright (politician)
 * Wright City, Missouri – Dr. H.C. Wright (settler)
 * Wrightsboro, Georgia – Augustus R. Wright (judge)
 * Wrightstown, Wisconsin – H.S. Wright (ferry owner)
 * Wrightsville, Pennsylvania – Samuel Wright (settler)
 * Wurtsboro, New York – Maurice and William Wurts (builders of the Delaware and Hudson Canal)
 * Wyandanch, New York – Wyandanch (sachem of the Montaukett Native American tribe in the mid 17th century)
 * Wytheville, Virginia – George Wythe (a signer of the Declaration of Independence)

Y

 * Yankee Jims, California – a criminal with that nickname
 * Yale, Michigan – Elihu Yale (indirectly, via Yale University)
 * Yaquina Bay (Oregon) – Yaquina (Native American chief)
 * Yates Center, Kansas – Abner Yates (landowner)
 * Ybor City, Tampa, Florida – Vicente Martinez Ybor
 * Yellville, Arkansas – Governor Archibald Yell
 * Yonkers, New York – Adriaen van der Donck (landowner who known locally as the Jonkheer)
 * Yorba Linda, California – Bernardo Yorba (built Yorba Hacienda near here)
 * York, Maine – James II of England (known as the Duke of York before ascending the throne)
 * York Center, Illinois - Samuel York
 * Yorkville, California – R.H. York (Founder)
 * Yorkville, Wisconsin - Samuel York
 * Youngs, California – Morgan W. Youngs (first postmaster)
 * Youngs Bay (Washington) – Sir Charles Young (naval officer)
 * Youngstown, New York – John Young (merchant)
 * Youngstown, Ohio – John Young (Founder)
 * Ypsilanti, Michigan – Demetrius Ypsilanti (hero in the Greek War of Independence)

Z

 * Zanesfield, Ohio – Isaac Zane (younger brother of Ebenezer Zane)
 * Zanesville, Ohio – Ebenezer Zane (founder)
 * Zapata, Texas – Colonel Jose Antonio de Zapata
 * Zavalla, Texas – Lorenzo de Zavala (note spelling)
 * Zebulon, Georgia – Zebulon Pike
 * Zenda, Wisconsin - Anthony Hope, author of The Prisoner Of Zenda
 * Zillah, Washington – Miss Zillah Oakes (daughter of Thomas Fletcher Oakes, president of the Northern Pacific Railway)
 * Zionsville, Indiana – William Zion (pioneer)
 * Zwingle, Iowa – Huldrych Zwingli (Protestant reformer)

Former names

 * Adams was the name of Corte Madera, California – Jerry Adams (first postmaster)
 * Adele was the name of Fields Landing, California – Adele Haughwout (first European child born there)
 * Alexander's Corner was the name of Weedpatch, California – Cal Alexander (early resident)
 * Allen's Camp was the name of Caliente, California – Gabriel Allen (early settler)
 * Arp's' was the name of Riverview, Kern County, California – James H. Arp (real estate developer)
 * Barker House was the name of Woodleaf, California – Charles Barker (early settler)
 * Barrons Landing was the name of Eden Landing, California – Richard Barron (landowner)
 * Barrow was the name of Utqiaġvik, Alaska – Sir John Barrow
 * Beal's Landing was the name of Westport, California – Samuel Beal (early settler)
 * Bells Harbor was the name of Little River, California – Lloyd and Samuel Bell (early settlers)
 * Benton Mills was the name of Ridleys Ferry, California – Senator Thomas Hart Benton
 * Biddle's Camp and Biddleville were names of Bear Valley, Mariposa County, California – William C. Biddle (early settler)
 * Black's was the name of Zamora, California – J.J. Black (early settler)
 * Boust City was the name of Taft Heights, California – E.J. Boust (oilman, town founder)
 * Bowman's Point was the name of West End, Alameda, California – Charles C. Bowman (early settler)
 * Brannan Springs was the name of Woodfords, California – Samuel Brannan (Gold Rush figure)
 * Brown's was the name of North Fork, California – Milton Brown (early settler)
 * Brown's Mill was the name of Stafford, Humboldt County, California – Percy Brown (lumber mill owner)
 * Brownsville was the name of Samoa, California – James D.H. Brown (dairy farmer)
 * Brownsville was the name of Tecopa, California – William D. and Robert D. Brown (founders)
 * Buckingham was the name of Unity, New Hampshire – John Hobart, 1st Earl of Buckinghamshire
 * Bucktooth was the name of Salamanca (town), New York – Bucktooth (notable Native American who lived in the area)
 * Bulwinkle was the name of Crannell, California – Conrad Bullwinkle (landowner)
 * Burns' Camp and Burns' Ranch were names of Quartzburg, Mariposa County, California – Robert and John Burns (founders)
 * Burrville was the name of Clinton, Tennessee – Aaron Burr
 * Cabarker was the name of El Centro, California – C.A. Barker (landowner's friend)
 * Cantu was the name of Andrade, California – Col. Esteban Cantu (Mexican regional governor)
 * Cardigan was the name of Orange, New Hampshire – George Brudenell, fourth Earl of Cardigan
 * Carson's Creek was the name of Angels Camp, California – Kit Carson
 * Charley's Flat was the name of Dutch Flat, California – Charles Dornbach (founder)
 * Clark's Station and Clark's Ranch were names of Wawona, California – Galen Clark (founder)
 * Clifton was the name of Del Rey, California – Clift Wilkinson (town founder)
 * Cochran's Crossing was the name of Yolo, California – Thomas Cochran (early settler)
 * Cockermouth was the name of Groton, New Hampshire – Charles Wyndham, Baron Cockermouth and Earl of Egremont
 * Collis was the name of Kerman, California – Collis Potter Huntington
 * Converse Ferry was the name of Friant, California – Charles Converse (ferryman)
 * Cowan Station was the name of Dunmovin, California – James Cowan (homesteader)
 * Crabtown was the name of Helena, Montana – John Crab (early gold prospector)
 * Crumville was the name of Ridgecrest, California – James and Robert Crum (local dairymen)
 * Dewey and Deweyville were names of Wasco, California – Adm. George Dewey
 * Dorris Bridge was the name of Alturas, California – Pressley and James Dorris (early settlers)
 * Dow's Prairie was the name of McKinleyville, California – Joe Dow (founder)
 * Drapersville was the name of Kingsburg, California – Josiah Draper (founder)
 * Dupplin was the name of Lempster, New Hampshire – Scottish lord Thomas Hay, Viscount Dupplin
 * Durkee's Ferry was the name of Weitchpec, California – Clark W. Durkee (ferry operator)
 * Dutch Charlie's Flat was the name of Dutch Flat, California – Charles Dornbach (founder)
 * Dykesboro was the name of Cochran, Georgia – B. B. Dykes (settler)
 * Eastland was the name of Mill Valley, California – Joseph G. Eastland (developer)
 * Enfield was the name of a Massachusetts town that was disincorporated on April 28, 1938, as part of the creation of the Quabbin Reservoir – Robert Field (early settler)
 * Etter was the name of Ettersburg, California – Albert F. Etter (homesteader)
 * Fassking's Station was the name of Encinal, Alameda, California – Frederick Louis Fassking (pioneer)
 * Fletcher was the name of Aurora, Colorado – Donald Fletcher (businessman)
 * Foremans was the name of Fourth Crossing, California – David Foreman (town founder)
 * Franklin Township was the name of Nutley, New Jersey – Benjamin Franklin
 * Greenwich was the name of a Massachusetts town that was disincorporated on April 28, 1938, as part of the creation of the Quabbin Reservoir – John Campbell, Duke of Greenwich
 * Grenville was the name of Newport, New Hampshire – George Grenville (Prime Minister of the United Kingdom)
 * Hamilton's was the name of Buck Meadows, California – Alva Hamilton (founder)
 * Hamptonville was the name of Friant, California – William R. Hampton (first postmaster)
 * Hans Lof's was the name of Toms Place, California – Hans Lof (resort owner)
 * Hansen was the name of Alton, California – Mads P. Hansen (first postmaster)
 * Harrisberry was the name of Harrisburg, Inyo County, California – Shorty Harris and Pete Auguerreberry (gold discoverers)
 * Harrisburgh was the name of Warm Springs, Fremont, California – Abram Harris (early settler)
 * Haydenville was the name of Bear Valley, Mariposa County, California – David, Charles, and William Hayden (gold miners)
 * Hearst was the name of Hacienda, California – Phoebe Hearst
 * Hopkins and Hopkins Springs was the name of Soda Springs, Nevada County, California – Mark Hopkins (railroad baron who built a resort there)
 * Hunter Flat and Hunters Camp were names of Whitney Portal, California – William L. Hunter (pioneer)
 * Hupp and Hupps Mill were names of DeSabla, California – John Hupp (early sawmill owner)
 * Hutton's Ranch was the name of Yolo, California – James A. Hutton (early hotel owner)
 * Jacksonville was the name of Floyd, Virginia – President Andrew Jackson
 * Jewetta' was the name of Saco, California – Solomon and Philo D. Jewett (pioneers)
 * Joe was the name of Ismay, Montana – Joe Montana, (American Football player)
 * Johnson's Diggings was the name of Birchville, California – David Johnson (first prospector at the site)
 * Johnsonville was the name of Bear Valley, Mariposa County, California – John F. Johnson (early settler)
 * Jones Ferry was the name of Friant, California – J.R. Jones (early merchant)
 * Kellyvale was the name of Lowell, Vermont – John Kelley (grantee)
 * Kendall's City was the name of Boonville, California – Alonzo Kendall (early hotelier)
 * Kents Landing was the name of Little River, California – W.H. Kent (early settler, landowner)
 * Kenyon was the name of Pineridge, California – Silas W. Kenyon (first postmaster)
 * Kunze was the name of Greenwater, California – Arthur Kunze (founder)
 * Langville was the name of Capay, California – John Arnold Lang (early settler)
 * Laphams was the name of Stateline, California – William W. Lapham (hotel owner)
 * Levittown and Levittown Township were names of Willingboro Township, New Jersey (from 1958 to 1963) – William Levitt
 * Lewisville was the name of Greenwood, El Dorado County, California – Lewis B. Meyer (early settler)
 * Lisbon was the name of Applegate, California – Lisbon Applegate (early settler)
 * Maltermoro was the name of Sunnyside, Fresno County, California – George H. Malter (postmaster)
 * Marthasville was the name of Atlanta, Georgia – Martha Lumpkin (daughter of Governor Wilson Lumpkin)
 * Marsh was the name of Avon, Contra Costa County, California – John Marsh
 * Marshall was the name of Lotus, California – James W. Marshall
 * Marshs Landing was the name of Antioch, California – John Marsh
 * Maxwell's Creek was the name of Coulterville, California – George Maxwell (early settler)
 * McKinney was the name of Chambers Lodge, California – John McKinney (early settler)
 * Meiggstown was the name of Mendocino, California – Henry Meiggs
 * Michaels was the name of Coarsegold, California – Charles Michaels (merchant)
 * Mingusville was the name of Wibaux, Montana – Min nie and Gus Grisy (postmasters)
 * Minorsville was the name of McKinleyville, California – Isaac Minor (founder)
 * Moores was the name of Riverton, California – John M. Moore (operator of a local toll road)
 * Moores Station was the name of Honcut, California – John C. Moore (first postmaster)
 * Norris was the name of Lake Delton, Wisconsin – Edward Norris (surveyor)
 * Old Lovelock was the name of Coutolenc, California – George Lovelock (early merchant)
 * Partridgefield was the name of Hinsdale, Massachusetts – Oliver Partridge (one of the purchasers of the town)
 * Peacock's was the name of Warm Springs, Fremont, California – George W. Peacock (first postmaster)
 * Peterman's Landing was the name of Eden Landing, California – Henry Louis and Mary F. Peterman (salt company officials)
 * Phillipsburg was the name of Hollis, Maine – Major William Phillips (proprietor)
 * Phipps-Canada was the name of Jay, Maine – Captain Joseph Phipps
 * Pollasky was the name of Friant, California – Marcus Pollasky (railroad official)
 * Portersville was the name of Valparaiso, Indiana – Commodore David Porter
 * Powellville was the name of Blocksburg, California – Joseph James Powell (first settler)
 * Prescott was the name of a Massachusetts town that was disincorporated on April 28, 1938, as part of the creation of the Quabbin Reservoir – Colonel William Prescott
 * Putnam's was the name of Independence, California – Charles Putnam (early merchant)
 * Ralston City was the name of Shakespeare, New Mexico – William Chapman Ralston
 * Ralston Point was the name of Arvada, Colorado – Lewis Ralston (prospector from Georgia)
 * Randall was the name of White Hall, California – Albert B. Randall (first postmaster)
 * Rolph was the name of Fairhaven, California – James Rolph (governor of California)
 * Rooptown was the name of Susanville, California – Isaac Roop (settler)
 * Ross Landing was the name of Kentfield, California – James Ross (founder)
 * Ross's Camp was the name of Melbourne Camp, California – William Ross (operator)
 * Rust was the name of El Cerrito, Contra Costa County, California – William R. Rust (first postmaster)
 * Ryan was the name of Lila C, California – John Ryan (borax company official)
 * Scodie was the name of Onyx, California – William Scodie (early merchant)
 * Sherburne was the name of Killington, Vermont – Colonel Benjamin Sherburne (landholder)
 * Simpsonville was the name of Bear Valley, Mariposa County, California – Robert Simpson (local merchant)
 * Smith's Landing was the name of Antioch, California – William and Joseph Smith (early settlers)
 * Smithville was the name of Loomis, California – L.G. Smith (store owner)
 * Sotoville was the name of Santa Rita, Monterey County, California – Jose Manuel Soto (landowner, founder)
 * Spoonville was the name of Edgemont, Lassen County, California – Lorella A. Spoon
 * Stantonville was the name of Chilton, Wisconsin – Moses and Catherine Stanton (early residents)
 * Stratton was the name of Stratford, California – William Stratton (developer)
 * Stubbs was the name of Clearlake Oaks, California – Charles Stubbs (landowner)
 * Surrattsville was the name of Clinton, Maryland – Surratt family (18th century settlers)
 * Swauger was the name of Loleta, California – Samuel A. Swauger (landowner)
 * Taylors Landing was the name of Bijou, California – Almon M. Taylor (founder)
 * Tinkers Station was the name of Soda Springs, Nevada County, California – J.A. Tinker (local freight hauler)
 * Townsend was the name of Boothbay, Maine and Southport, Maine – Charles Townshend, 2nd Viscount Townshend (note spelling)
 * Trecothick was the name of Ellsworth, New Hampshire – Barlow Trecothick (Alderman, Member of Parliament, and a Lord Mayor of London, raised in colonial Boston)
 * Troupville was the name of Valdosta, Georgia - George Troup, governor of Georgia
 * Turner was the name of Harriman, New York – Peter Turner (early restaurateur)
 * Vaughn was the name of Bodfish, California – Edward Vaughn (first postmaster)
 * Villa de San Agustin de Laredo was the name of Laredo, Texas – Saint Augustine
 * Warnersville was the name of Trinidad, California – R.V. Warner (early settler)
 * Washington was the name of South River, New Jersey – George Washington
 * Washington Township was the name of Robbinsville Township, New Jersey – George Washington
 * Wells was the name of Keene, California – Madison P. Wells (early rancher)
 * Wendell was the name of Sunapee, New Hampshire – John Wendell (proprietor)
 * Weringdale was the name of Woody, California – Joseph Weringer (town planner)
 * Wheelersborough was the name of Hampden, Maine – Benjamin Wheeler (settler)
 * Whitley's Ford was the name of Lookout, California – James W. Whitley (early hotelier)
 * Williamsburg was the name of Old Town, Kern County, California – James E. Williams (businessman)
 * Woods Dry Diggings was the name of Auburn, California – John S. Wood
 * Yanks was the name of Meyers, California – Ephraim "Yank" Clement (early landowner)