List of United States Navy ships: I–K

I

 * USS I. J. Merritt (USS I. J. Merritt (ID-3780))

Ib-Im

 * USS Ibex (USS Ibex (1863), USS Ibex (IX-119))
 * USS Ibis (USS Ibis (SP-3051), USS Ibis (AM-134))
 * USS Ice Boat (USS Ice Boat (1861))
 * USS Ice King (USS Ice King (ID-3160))
 * USS Icefish (USS Icefish (SS-367))
 * USS Ida (USS Ida (1863))
 * USS Idaho (USS Idaho (1864), USS Idaho (BB-24), USS Idaho (SP-545), USS Idaho (BB-42), USS Idaho (SSN-799))
 * USS Idalis (USS Idalis (SP-270))
 * USS Ideal (USS Ideal (AMc-85))
 * USS Idealia (USS Idealia (SP-125))
 * USS Idylease (USS Idylease (SP-119))
 * USS Illinois (USS Illinois (1864), USS Illinois (BB-7)/USS Illinois (IX-15), USS Illinois (BB-65), USS Illinois (SSN-786))
 * USS Illusive (USS Illusive (AM-243), USS Illusive (AM-448)/USS Illusive (MSO-448))
 * USS Imbue (USS Imbue (AM-244))
 * USS Impeccable (USS Impeccable (AM-320)/USS Impeccable (MSF-320), USNS Impeccable (T-AGOS-23))
 * USS Imperator (USS Imperator (ID-4080))
 * USS Impervious (USS Impervious (AM-245), USS Impervious (AM-449)/USS Impervious (MSO-449))
 * USS Impetuous (USS Impetuous (PC-454)/USS Impetuous (PYc-46))
 * USS Implicit (USS Implicit (AM-246), USS Implicit (AM-455)/USS Implicit (MSO-455))
 * USS Improve (USS Improve (AM-247))
 * USS Impulse (USS Impulse (PG-68))

In

 * USS Inaugural (USS Inaugural (AM-242)/USS Inaugural (MSF-242))
 * USS Inca (USS Inca (1898), USS Inca (1911), USS Inca (SP-1212), USS Inca (SP-3219), USS Inca (IX-229))
 * USS Incessant (USS Incessant (AM-248))
 * USS Inch (USS Inch (DE-146))
 * USS Inchon (USS Inchon (LPH-12)/USS Inchon (MCS-12))
 * USS Incredible (USS Incredible (AM-249)/USS Incredible (MSF-249))
 * USS Independence (USS Independence (1776 brig), USS Independence (1776 sloop), USS Independence (1814), USS Independence (SP-3676), USS Independence (CV-22)/USS Independence (CVL-22), USS Independence (CVA-62)/USS Independence (CV-62), USS Independence (LCS-2))
 * USS India (USS India (1861) stone fleet)
 * USS Indian (USS Indian (1906))
 * USS Indian Island (USS Indian Island (AG-77)/USS Indian Island (AKS-25))
 * USS Indiana (USS Indiana (BB-1), USS Indiana (1898), USS Indiana (BB-50), USS Indiana (BB-58), USS Indiana (SSN-789))
 * USS Indianapolis (USS Indianapolis (ID-3865), USS Indianapolis (CA-35), USS Indianapolis (SSN-697), USS Indianapolis (LCS-17))
 * USS Indianola (USS Indianola (1862))
 * USS Indicative (USS Indicative (AM-250)/USS Indicative (MSF-250))
 * USS Indien (1778)
 * USNS Indomitable (USNS Indomitable (T-AGOS-7))
 * USS Indra (USS Indra (ARL-37))
 * USS Indus (USS Indus (AKN-1))
 * USS Industry (USS Industry (AMc-86))
 * USS Inflict (USS Inflict (AM-251), USS Inflict (AM-456)/USS Inflict (MSO-456))
 * USS Ingersoll (USS Ingersoll (DD-652), USS Ingersoll (DD-990))
 * USS Inglis (USS Inglis (DE-525))
 * USS Ingraham (USS Ingraham (DD-111)/USS Ingraham (DM-9), USS Ingraham (DD-444), USS Ingraham (DD-694), USS Ingraham (FFG-61))
 * USS Inman (USS Inman (DE-526))
 * USS Ino (USS Ino (1861))
 * USS Instill (USS Instill (AM-252)/USS Instill (MSF-252))
 * USS Insurgent (USS Insurgent (1799))
 * USS Integrity (USS Integrity (BAT-4), USNS Integrity (T-AGOS-24))
 * USS Intelligent Whale (USS Intelligent Whale (1869))
 * USS Intensity (USS Intensity (PG-93))
 * USS Interceptor (USS Interceptor (YAGR-8)/USS Interceptor (AGR-8))
 * USS Interdictor (USS Interdictor (YAGR-13)/USS Interdictor (AGR-13))
 * USS Interpreter (USS Interpreter (AGR-14))
 * USS Interrupter (USS Interrupter (AGR-15))
 * USS Intrepid (USS Intrepid (1798), USS Intrepid (1874), USS Intrepid (1904), USS Intrepid (CV-11)/USS Intrepid (CVA-11)/USS Intrepid (CVS-11), USNS Intrepid (T-AGOS-17))
 * USS Intrigue (USS Intrigue (AM-253)/USS Intrigue (MSF-253))
 * USS Invade (USS Invade (AM-254)/USS Invade (MSF-254))
 * USS Inver (USS Inver (PG-101))
 * USS Investigator (USS Investigator (YAGR-9)/USS Investigator (AGR-9))
 * USS Invincible (USS Invincible (SP-3671), USNS Invincible (T-AGOS-10)/USNS Invincible (T-AGM-24))

Io-Iz

 * USS Iolanda (USS Iolanda (AKS-14))
 * USS Iolite (USS Iolite (PYc-24), USS Iolite (PYc-41))
 * USS Iona (USS Iona (YT-107), USS Iona (YT-220)/USS Iona (YTB-220)/USS Iona (YTM-220))
 * USS Ionie (USS Ionie (1859))
 * USS Ionita (USS Ionita (SP-388))
 * USS Iosco (USS Iosco (1864))
 * USS Iowa (USS Iowa (1864), USS Iowa (BB-4)/USS Iowa (IX-6), USS Iowa (BB-53), USS Iowa (BB-61), USS Iowa (SSN-797))
 * USS Iowan (USS Iowan (ID-3002))
 * USS Ipswich (USS Ipswich (PC-1186))
 * USS Ira Jeffery (USS Ira Jeffery (DE-63)/USS Ira Jeffery (APD-44))
 * USS Iredell (USS Iredell (APA-242))
 * USS Iredell County (USS Iredell County (LST-839))
 * USS Irene Forsyte (USS Irene Forsyte (IX-93))
 * USS Irex (USS Irex (SS-482)/USS Irex (AGSS-482))
 * USS Iris (USS Iris (1847), USS Iris (1863), USS Iris (1869), USS Iris (1885), USS Iris (1897))
 * USS Iro (USS Iro (SP-2679))
 * USS Iron Age (USS Iron Age (1862))
 * USS Iron County (USS Iron County (LST-840))
 * USS Ironsides Jr. (USS Ironsides Jr. (1863))
 * USS Ironwood (USS Ironwood (YN-67))
 * USS Iroquois (USS Iroquois (1859), USS Iroquois (AT-46))
 * USS Irwin (USS Irwin (DD-794))
 * USS Isaac N. Seymour (USS Isaac N. Seymour (1860))
 * USS Isaac Smith (USS Isaac Smith (1851))
 * USS Isabel (USS Isabel (SP-521)/USS Isabel (PY-10))
 * USS Isabela (USS Isabela (1911), USS Isabela (SP-1035))
 * USS Isanti (USS Isanti (1918), USS Isanti (SP-3423))
 * USS Isherwood (USS Isherwood (DD-284), USS Isherwood (DD-520))
 * USS Isilda (USS Isilda (1861))
 * USS Isis (USS Isis (1902))
 * USS Isla de Cuba (USS Isla de Cuba (1886))
 * USS Isla de Luzon (USS Isla de Luzon (1887))
 * USS Island Belle (USS Island Belle (1861))
 * USS Isle of Surry (USS Isle of Surry (SP-1860))
 * USS Isle Royale (USS Isle Royale (AD-29))
 * USS Isonomia (USS Isonomia (1864))
 * USS Israel (USS Israel (DD-98)/USS Israel (DM-3))
 * USS Itara (USS Itara (YT-391)/USS Itara (YTB-391)/USS Itara (YTM-391))
 * USS Itasca (USS Itasca (1861), USS Itasca (SP-810))
 * USS Itasca II (USS Itasca II (SP-803))
 * USS Itty E (USS Itty E (SP-952))
 * USS Iuka (USS Iuka (1864), USS Iuka (AT-37)/USS Iuka (ATO-37), USS Iuka (AT-123)/USS Iuka (ATA-123), USS Iuka (YTB-819))
 * USS Ivy (USS Ivy (1862), USS Ivy (1904), USCGC Ivy (WAGL-329)/USCGC Ivy (WLB-329))
 * USS Iwana (USS Iwana (YT-2)/USS Iwana (YTM-2), USS Iwana (YT-272))
 * USS Iwo Jima (USS Iwo Jima (CV-46), USS Iwo Jima (LPH-2), USS Iwo Jima (LHD-7))
 * USS Izard (USS Izard (DD-589))

J

 * USS J. A. Palmer (USS J. A. Palmer (SP-319))
 * USS J. Alvah Clark (USS J. Alvah Clark (SP-1248))
 * USS J. B. Walker (USS J. B. Walker (ID-1272))
 * USS J. C. Kuhn (USS J. C. Kuhn (1859))
 * USS J. Douglas Blackwood (USS J. Douglas Blackwood (DE-219))
 * USS J. Franklin Bell (USS J. Franklin Bell (AP-34)/USS J. Franklin Bell (APA-16))
 * USS J. Fred Talbott (USS J. Fred Talbott (DD-156)/USS J. Fred Talbott (AG-81))
 * USS J. J. Crittenden (USS J. J. Crittenden (1862))
 * USS J. M. Guffey (USS J. M. Guffey (ID-1279))
 * USS J. M. Woodworth (USS J. M. Woodworth (YT-137))
 * USS J.R.Y. Blakely (USS J.R.Y. Blakely (DE-140))
 * USS J. Reyner & Son (USS J. Reyner & Son (SP-869))
 * USS J. Richard Ward (USS J. Richard Ward (DE-243))
 * USS J. W. McAndrew (USS J. W. McAndrew (AP-47))
 * USS J. W. Wilder (USS J. W. Wilder (1859))
 * USS J. William Ditter (USS J. William Ditter (DD-751)/USS J. William Ditter (DM-31)/USS J. William Ditter (MMD-31))
 * USS J. William Middendorf (USS J. William Middendorf (DDG-138))

Ja

 * USS Jacamar (USS Jacamar (AMc-47), USS Jacamar (AMCU-25))
 * USS Jacana (USS Jacana (AMS-193)/USS Jacana (MSC-193))
 * USS Jaccard (USS Jaccard (DE-355))
 * USS Jack (USS Jack (SS-259), USS Jack (SSN-605))
 * USS Jack C. Robinson (USS Jack C. Robinson (DE-671)/USS Jack C. Robinson (APD-72))
 * USS Jack H. Lucas (USS Jack H. Lucas (DDG-125))
 * USS Jack Miller (USS Jack Miller (DE-410))
 * USS Jack W. Wilke (USS Jack W. Wilke (DE-800))
 * USS Jack Williams (USS Jack Williams (FFG-24))
 * USS Jackal (USS Jackal (1823))
 * USS Jackdaw (USS Jackdaw (AMS-21)/USS Jackdaw (MSC(O)-21), USS Jackdaw (AM-368), USS Jackdaw (AM-402))
 * USS Jackson (USS Jackson (LCS-6))
 * USS Jacksonville (USS Jacksonville (SSN-699))
 * USS Jacob Bell (USS Jacob Bell (1842))
 * USS Jacob Jones (USS Jacob Jones (DD-61), USS Jacob Jones (DD-130), USS Jacob Jones (DE-130))
 * Jacona (YFP-1)
 * USS Jade (USS Jade (PY-17))
 * USS Jaguar (USS Jaguar (IX-120))
 * USS Jallao (USS Jallao (SS-368))
 * USS Jamaica (USS Jamaica (AVG-43)/USS Jamaica (ACV-43)/USS Jamaica (CVE-43))
 * USS James Adger (USS James Adger (1851))
 * USS James C. Owens (USS James C. Owens (DD-776))
 * USNS James D. Fairbanks (USNS James D. Fairbanks (T-ATS-13))
 * USS James E. Craig (USS James E. Craig (DE-201))
 * USS James E. Kyes (USS James E. Kyes (DD-787))
 * USS James E. Robinson (USS James E. Robinson (AK-274))
 * USS James E. Williams (USS James E. Williams (DDG-95))
 * USS James Guthrie (1881)
 * USS James H. Clark (USS James H. Clark (SP-759))
 * USS James K. Paulding (USS James K. Paulding (DD-238))
 * USS James K. Polk (USS James K. Polk (SSBN-645)/USS James K. Polk (SSN-645))
 * USS James L. Davis (USS James L. Davis (1861))
 * USS James M. Gilliss (USS James M. Gilliss (AGS-13)/USS James M. Gilliss (AGSC-13)/USS James M. Gilliss (AMCU-13)/USS James M. Gilliss (MHC-13), USNS James M. Gilliss (T-AGOR-4))
 * USS James Madison (USS James Madison (1807), USS James Madison (SSBN-627))
 * USS James Monroe (USS James Monroe (SSBN-622))
 * USS James O'Hara (USS James O'Hara (APA-90)/USNS James O'Hara (T-AP-179))
 * USS James Parker (USS James Parker (AP-46))
 * USS James River (USS James River (SP-861), USS James River (LSM(R)-510))
 * USS James S. Chambers (USS James S. Chambers (1861))
 * USS James Wooley (USS James Wooley (YT-45))
 * USS Jamestown (USS Jamestown (1844), USS Jamestown (PG-55)/USS Jamestown (AGP-3), USS Jamestown (AG-166)/USS Jamestown (AGTR-3))
 * USS Jan Van Nassau (USS Jan Van Nassau (1913))
 * USS Jane II (USS Jane II (SP-1188))
 * USS Janssen (USS Janssen (DE-396))
 * USS Jarrett (USS Jarrett (FFG-33))
 * USS Jarvis (USS Jarvis (DD-38), USS Jarvis (DD-393), USS Jarvis (DD-799))
 * USS Jasmine (USS Jasmine (1863))
 * USS Jason (USS Jason (1869), USS Jason (AC-12)/USS Jason (AV-2), USS Jason (ARH-1)/USS Jason (AR-8))
 * USS Jason Dunham (USS Jason Dunham (DDG-109))
 * USS Jasper (USS Jasper (PYc-13), USS Jasper (PC-486))
 * USS Java (USS Java (1815))
 * USS Jawfish (USS Jawfish (SS-356))
 * USS Jaydee III (USS Jaydee III (SP-692))

Je-Ji

 * USS Jean (USS Jean (ID-1308))
 * USS Jean Sands (USS Jean Sands (1863))
 * USS Jeannette (USS Jeannette (1878), USS Jeannette (SP-149))
 * USS Jeannette Skinner (USS Jeannette Skinner (ID-1321))
 * MV Jeb Stuart (MV Jeb Stuart (AK-9204))
 * USS Jeff Davis (USS Jeff Davis (1862))
 * USS Jeffers (USS Jeffers (DD-621)/USS Jeffers (DMS-27))
 * USS Jefferson (USS Jefferson (1802), USS Jefferson (1814), USS Jefferson (1833))
 * USS Jefferson City (USS Jefferson City (SSN-759))
 * USS Jefferson County (USS Jefferson County (LST-845))
 * USS Jekyl (USS Jekyl (AG-135)/USS Jekyl (AKL-6))
 * USS Jenkins (USS Jenkins (DD-42), USS Jenkins (DD-447)/USS Jenkins (DDE-447))
 * USS Jenks (USS Jenks (DE-665)/USS Jenks (APD-67))
 * USS Jennings County (USS Jennings County (LST-846))
 * USS Jerauld (USS Jerauld (APA-174))
 * USS Jeremiah Denton (USS Jeremiah Denton (DDG-129))
 * USS Jerome County (USS Jerome County (LST-848))
 * USS Jerry Briggs (USS Jerry Briggs (1918))
 * USS Jersey (USS Jersey (1776))
 * USS Jessamine (USS Jessamine (1881), USS Jessamine (SP-438))
 * USS Jesse L. Brown (USS Jesse L. Brown (DE-1089)/USS Jesse L. Brown (FF-1089)/USS Jesse L. Brown (FFT-1089))
 * USS Jesse Rutherford (USS Jesse Rutherford (DE-347))
 * USS Jet (USS Jet (PYc-20))
 * USS Jewell (USS Jewell (YFB-22))
 * USS Jicarilla (USS Jicarilla (AT-104)/USS Jicarilla (ATF-104))
 * USS Jimetta (USS Jimetta (SP-878))
 * USS Jimmy Carter (USS Jimmy Carter (SSN-23))

Jo

 * USS Joanna (USS Joanna (SP-1963))
 * USS Jobb (USS Jobb (DE-707))
 * USS John A. Bole (USS John A. Bole (DD-755), USS John A. Bole (DD-783))
 * USS John A. Moore (USS John A. Moore (FFG-19))
 * USS John Adams (USS John Adams (1799), USS John Adams (SSBN-620))
 * USS John Alexander (USS John Alexander (1861))
 * USS John B. Hinton (USS John B. Hinton (SP-485))
 * USS John Basilone (USS John Basilone (DDG-122))
 * USS John Blish (USS John Blish (AGS-10)/USS John Blish (AGSC-10))
 * USS John C. Butler (USS John C. Butler (DE-339))
 * USS John C. Calhoun (USS John C. Calhoun (SSBN-630))
 * USS John C. Stennis (USS John C. Stennis (CVN-74))
 * USS John Clay (USS John Clay (1919))
 * USS John Collins (USS John Collins (1919))
 * USS John D. Edwards (USS John D. Edwards (DD-216))
 * USS John D. Ford (USS John D. Ford (DD-228)/USS John D. Ford (AG-119))
 * USS John D. Henley (USS John D. Henley (DD-553))
 * USS John Day River (USS John Day River (LSM(R)-511))
 * USS John Dunkin (USS John Dunkin (1919))
 * USS John E. Kilmer (USS John E. Kilmer (DDG-134))
 * USNS John Ericsson (USNS John Ericsson (T-AO-194))
 * USS John F. Hartley (1874)
 * USS John F. Kennedy (USS John F. Kennedy (CVA-67)/USS John F. Kennedy (CV-67), USS John F. Kennedy (CVN-79))
 * USS John F. Lehman (USS John F. Lehman (DDG-137))
 * USS John Finn (USS John Finn (DDG-113))
 * USS John Fitzgerald (USS John Fitzgerald (1919))
 * USS John Francis Burnes (USS John Francis Burnes (DD-299))
 * USS John G. Olsen (USS John G. Olsen (SP-2377))
 * USNS John Glenn (USNS John Glenn (T-MLP-2))
 * USS John Graham (USS John Graham (1919))
 * USS John Griffith (USS John Griffith (1861))
 * USS John H. Dalton (USS John H. Dalton (SSN-808))
 * USS John Hancock (USS John Hancock (1850), USS John Hancock (DD-981))
 * USS John Hood (USS John Hood (DD-655))
 * USS John J. Powers (USS John J. Powers (DE-528))
 * USS John J. Van Buren (USS John J. Van Buren (DE-753))
 * USS John King (USS John King (DD-953)/USS John King (DDG-953)/USS John King (DDG-3))
 * USS John L. Canley (USS John L. Canley (ESB-6))
 * USS John L. Clem (USS John L. Clem (AP-36))
 * USS John L. Hall (USS John L. Hall (FFG-32))
 * USS John L. Lawrence (USS John L. Lawrence (YT-38))
 * USS John L. Lockwood (USS John L. Lockwood (1854))
 * USS John L. Sullivan (USS John L. Sullivan (YAG-37))
 * USS John L. Williamson (USS John L. Williamson (DE-370))
 * USS John Land (USS John Land (AP-167))
 * USNS John Lenthall (USNS John Lenthall (T-AO-189))
 * USNS John Lewis (USNS John Lewis (T-AO-205))
 * USS John M. Bermingham (USS John M. Bermingham (DE-530))
 * USS John M. Connelly (USS John M. Connelly (SP-2703))
 * USS John M. Howard (USS John M. Howard (IX-75))
 * USS John Marshall (USS John Marshall (YAG-45), USS John Marshall (SSBN-611)/USS John Marshall (SSN-611))
 * USNS John McDonnell (USNS John McDonnell (T-AGS-51))
 * USS John McHale (USS John McHale (1864))
 * USS John Mitchell (USS John Mitchell (1864))
 * USS John P. Gray (USS John P. Gray (DE-673)/USS John P. Gray (APD-74))
 * USS John P. Jackson (USS John P. Jackson (1860))
 * USS John P. Kennedy (USS John P. Kennedy (1853))
 * USS John P. Murtha (USS John P. Murtha (LPD-26))
 * USS John Paul Jones (USS John Paul Jones (DD-932)/USS John Paul Jones (DDG-32), USS John Paul Jones (DDG-53))
 * USS John Paul Jr. (USS John Paul Jr. (1861))
 * USS John Penn (USS John Penn (AP-51)/USS John Penn (APA-23))
 * USS John Q. Roberts (USS John Q. Roberts (DE-235)/USS John Q. Roberts (APD-94))
 * USS John R. Craig (USS John R. Craig (DD-885))
 * USS John R. Perry (USS John R. Perry (DE-1034))
 * USS John R. Pierce (USS John R. Pierce (DD-753))
 * USS John Rodgers (USS John Rodgers (1917), USS John Rodgers (DD-574), USS John Rodgers (DD-983))
 * USS John S. McCain (USS John S. McCain (DD-928)/USS John S. McCain (DL-3)/USS John S. McCain (DDG-36), USS John S. McCain (DDG-56))
 * USS John Sealey (USS John Sealey (SP-568))
 * USS John Stevenson (USS John Stevenson (YAG-50))
 * USS John W. Crittenden (USS John W. Crittenden (ID-3224))
 * USS John W. Thomason (USS John W. Thomason (DD-760))
 * USS John W. Weeks (USS John W. Weeks (DD-701))
 * USS John Warner (USS John Warner (SSN-785))
 * USS John Willis (USS John Willis (DE-1027))
 * USS John Young (USS John Young (DD-973))
 * USS Johnnie Hutchins (USS Johnnie Hutchins (DE-360))
 * USS Johnson County (USS Johnson County (LST-849))
 * USS Johnston (USS Johnston (DD-557), USS Johnston (DD-821))
 * USNS Johnstown (AGM-20)
 * USS Joint Venture (IX-532)
 * USS Jolly Roger (USS Jolly Roger (SP-1031))
 * USS Jonas Ingram (USS Jonas Ingram (DD-938))
 * USS Jones (USS Jones (1814))
 * USS Jonquil (USS Jonquil (1863), USCGC Jonquil (WAGL-330)/USCGC Jonquil (WLB-330))
 * USS Jordan (USS Jordan (DE-204))
 * USS Joseph Cudahy (USS Joseph Cudahy (ID-1562))
 * USS Joseph E. Campbell (USS Joseph E. Campbell (DE-70)/USS Joseph E. Campbell (APD-49))
 * USS Joseph E. Connolly (USS Joseph E. Connolly (DE-450))
 * USS Joseph F. Bellows (USS Joseph F. Bellows (SP-323))
 * USS Joseph Hewes (USS Joseph Hewes (AP-50), USS Joseph Hewes (DE-1078)/USS Joseph Hewes (FF-1078)/USS Joseph Hewes (FFT-1078))
 * USS Joseph Holt (USS Joseph Holt (1942))
 * USS Joseph K. Taussig (USS Joseph K. Taussig (DE-1030))
 * USS Joseph M. Auman (USS Joseph M. Auman (DE-674)/USS Joseph M. Auman (APD-117))
 * USS Joseph M. Clark (USS Joseph M. Clark (SP-1244))
 * USS Joseph P. Kennedy Jr. (USS Joseph P. Kennedy Jr. (DD-850))
 * USS Joseph Strauss (USS Joseph Strauss (DDG-16))
 * USS Joseph T. Dickman (USS Joseph T. Dickman (AP-26)/USS Joseph T. Dickman (APA-13))
 * USS Josephine (USS Josephine (SP-913), USS Josephine (SP-1243), USS Josephine (SP-3295))
 * USS Josephine H. II (USS Josephine H. II (SP-245))
 * USS Josephus (USS Josephus (SP-3065))
 * USS Josephus Daniels (USS Josephus Daniels (DLG-27)/USS Josephus Daniels (CG-27))
 * USS Joshua Humphreys (USNS Joshua Humphreys (T-AO-188))
 * USS Josiah Willard Gibbs (USNS Josiah Willard Gibbs (T-AGOR-1))
 * USS Jouett (USS Jouett (DD-41), USS Jouett (DD-396), USS Jouett (DLG-29)/USS Jouett (CG-29))
 * USS Joy (USS Joy (SP-643))
 * USS Joyance (USS Joyance (SP-72))
 * USS Joyce (USS Joyce (DE-317)/USS Joyce (DER-317))

Ju

 * USS Jubilant (USS Jubilant (AM-255)/USS Jubilant (MSF-255))
 * USS Jubilee (USS Jubilee (1861))
 * USS Judge Torrence (USS Judge Torrence (1862))
 * USS Julia (USS Julia (1812), USS Julia (1863))
 * USS Julia Hamilton (SP-1460)
 * USS Julia Luckenbach (USS Julia Luckenbach (ID-2407))
 * USS Juliet (USS Juliet (1862))
 * USS Juliette W. Murray (USS Juliette W. Murray (1918))
 * USS Julius A. Furer (USS Julius A. Furer (DEG-6)/USS Julius A. Furer (FFG-6))
 * USS Julius A. Raven (USS Julius A. Raven (DE-600)/USS Julius A. Raven (APD-110))
 * USS Junaluska (USS Junaluska (YT-176)/USS Junaluska (YTB-176)/USS Junaluska (YTM-176))
 * USS Juneau (USS Juneau (CL-52), USS Juneau (CL-119)/USS Juneau (CLAA-119), USS Juneau (LPD-10))
 * USS Juniata (USS Juniata (1862), USS Juniata (SP-602), USS Juniata (IX-77))
 * USS Juniata County (USS Juniata County (LST-850))
 * USS Juniper (USS Juniper (1864), 1903, USS Juniper (YN-15))
 * USS Jupiter (USS Jupiter (AC-3), USS Jupiter (AK-43)/USS Jupiter (AVS-8), USNS Jupiter (T-AKR-11))
 * USS Justice (USS Justice (BATR-20), USS Justice (YP-678))
 * USS Justin (USS Justin (1898), USS Justin (IX-228))

K

 * USS K-1 (USS K-1 (SS-32), USS K-1 (SSK-1))
 * USS K-2 (USS K-2 (SS-33), USS K-2 (SSK-2))
 * USS K-3 (USS K-3 (SS-34), USS K-3 (SSK-3))
 * USS K-4 (USS K-4 (SS-35))
 * USS K-5 (USS K-5 (SS-36))
 * USS K-6 (USS K-6 (SS-37))
 * USS K-7 (USS K-7 (SS-38))
 * USS K-8 (USS K-8 (SS-39))
 * USS K. I. Luckenbach (USS K. I. Luckenbach (ID-2291))

Ka

 * USS Kabout (USS Kabout (YT-221)/USS Kabout (YTB-221))
 * USS Kadashan Bay (USS Kadashan Bay (AVG-76)/USS Kadashan Bay (ACV-76)/USS Kadashan Bay (CVE-76)/USS Kadashan Bay (CVU-76)/USS Kadashan Bay (AKV-26))
 * USS Kailua (USS Kailua (IX-71))
 * USS Kaiser Wilhelm II (USS Kaiser Wilhelm II (ID-3004))
 * USS Kaiserin Auguste Victoria (USS Kaiserin Auguste Victoria (1905))
 * USS Kaita Bay (USS Kaita Bay (AVG-78)/USS Kaita Bay (ACV-78)/USS Kaita Bay (CVE-78))
 * USS Kajeruna (USS Kajeruna (SP-389))
 * USS Kakarna (USS Kakarna (YTM-393))
 * USS Kalamazoo (USS Kalamazoo (1863), USS Kalamazoo (AOG-30), USS Kalamazoo (AOR-6))
 * USS Kalinin Bay (USS Kalinin Bay (AVG-68)/USS Kalinin Bay (ACV-68)/USS Kalinin Bay (CVE-68))
 * USS Kalispell (USS Kalispell (YTB-784))
 * USS Kalk (USS Kalk (DD-170), USS Kalk (DD-611))
 * USS Kalmia (USS Kalmia (1863), USS Kalmia (AT-23)/USS Kalmia (ATO-23), USS Kalmia (ATA-184))
 * USS Kaloli (USS Kaloli (AOG-13))
 * USS Kamehameha (USS Kamehameha (SSBN-642)/USS Kamehameha (SSN-642))
 * USS Kamesit (USS Kamesit (1919))
 * USS Kamishak (USS Kamishak (AVP-44))
 * USS Kanaka (USS Kanaka (YT-151))
 * USS Kanalku Bay (USS Kanalku Bay (CVE-77))
 * USS Kanawha (USS Kanawha (1861), USS Kanawha (1896), USS Kanawha (AO-1), USS Kanawha (SP-169), USS Kanawha (AOG-31), USNS Kanawha (T-AO-196))
 * USS Kanawha II (USS Kanawha II (SP-130))
 * USS Kane (USS Kane (DD-235)/USS Kane (APD-18), USNS Kane (T-AGS-27))
 * USS Kane County (USS Kane County (LST-853))
 * USS Kangaroo (USS Kangaroo (SP-1284)/USCGC Kangaroo (1917), USS Kangaroo (IX-121))
 * USS Kanised (USS Kanised (SP-439))
 * USS Kankakee (USS Kankakee (AO-39))
 * USS Kansas (USS Kansas (1863), USS Kansas (BB-21))
 * USS Kansas City (USS Kansas City (CA-128), USS Kansas City (AOR-3), USS Kansas City (LCS-22))
 * USS Kapvik (USS Kapvik (YO-155))
 * USS Karibou (USS Karibou (SP-200))
 * USS Karin (USS Karin (AF-33))
 * USS Karnes (USS Karnes (APA-175))
 * USS Kasaan Bay (USS Kasaan Bay (ACV-69)/USS Kasaan Bay (CVE-69)/USS Kasaan Bay (CVHE-69))
 * USS Kaskaskia (USS Kaskaskia (AO-27))
 * USS Kasota (USS Kasota (YT-222)/USS Kasota (YTB-222)/USS Kasota (YTM-222))
 * USS Katahdin (USS Katahdin (1861), USS Katahdin (1893))
 * USS Kate (USS Kate (1864))
 * USS Katherine (USS Katherine (SP-715))
 * USS Katherine K. (USS Katherine K. (SP-220))
 * USS Katherine W. Cullen (USS Katherine W. Cullen (1903))
 * USS Kathrich II (USS Kathrich II (SP-148))
 * USS Katie (USS Katie (SP-660))
 * USS Katlian (USS Katlian (YN-48)/USS Katlian (YNT-16))
 * USS Katrina (USS Katrina (SP-1144))
 * USS Katrina Luckenbach (USS Katrina Luckenbach (ID-3020))
 * USS Katydid (USS Katydid (SP-95))
 * USS Kauffman (USS Kauffman (FFG-59))
 * USS Kaukauna (USS Kaukauna (YTM-749))
 * USS Kaula (USS Kaula (AG-33))
 * USS Kaweah (USS Kaweah (AO-15))
 * USS Kawishiwi (USS Kawishiwi (AO-146))

Ke

 * USS Kearny (USS Kearny (DD-432))
 * USS Kearsarge (USS Kearsarge (1861), USS Kearsarge (BB-5)/USS Kearsarge (AB-1), USS Kearsarge (CV-12), USS Kearsarge (CV-33)/USS Kearsarge (CVA-33)/USS Kearsarge (CVS-33), USS Kearsarge (LHD-3))
 * USS Keats (USS Keats (DE-278))
 * USS Keith (USS Keith (DE-241))
 * USNS Kellar (USNS Kellar (T-AGS-25))
 * USS Kelso (USS Kelso (PC-1170))
 * USS Kemah (USS Kemah (SP-415))
 * USS Kemper County (USS Kemper County (LST-854))
 * USS Kempthorne (USS Kempthorne (DE-279))
 * USS Kendall C. Campbell (USS Kendall C. Campbell (DE-443))
 * USS Kendrick (USS Kendrick (DD-612))
 * USS Kenmore (USS Kenmore (AP-62), USS Kenmore (AP-162)/USS Kenmore (AK-221))
 * USS Kennebago (USS Kennebago (AO-81)/USNS Kennebago (T-AO-81))
 * USS Kennebec (USS Kennebec (1861), USS Kennebec (AO-36))
 * USS Kennedy (USS Kennedy (DD-306))
 * USS Kennesaw (USS Kennesaw (YTB-255))
 * USS Kenneth D. Bailey (USS Kenneth D. Bailey (DE-552), USS Kenneth D. Bailey (DD-713)/USS Kenneth D. Bailey (DDR-713))
 * USS Kenneth L. McNeal (USS Kenneth L. McNeal (SP-333))
 * USS Kenneth M. Willett (USS Kenneth M. Willett (DE-354))
 * USS Kenneth Whiting (USS Kenneth Whiting (AV-14))
 * USS Kennison (USS Kennison (DD-138)/USS Kennison (AG-83))
 * USS Kenosha (USS Kenosha (1867), USS Kenosha (AK-190))
 * USS Kensington (USS Kensington (1861), USS Kensington (1862))
 * USS Kent (USS Kent (AP-28))
 * USS Kent County (USS Kent County (LST-855))
 * USS Kent Island (USS Kent Island (AG-78)/USS Kent Island (AKS-26))
 * USS Kenton (USS Kenton (APA-122))
 * USS Kentuckian (USS Kentuckian (ID-1544))
 * USS Kentucky (USS Kentucky (1862), USS Kentucky (BB-6), USS Kentucky (BB-66), USS Kentucky (SSBN-737))
 * USS Kenwood (USS Kenwood (1863), USS Kenwood (IX-179))
 * USS Keokuk (USS Keokuk (1862), USS Keokuk (CMc-6)/USS Keokuk (AN-5)/USS Keokuk (CM-8)/USS Keokuk (AKN-4), USS Keokuk (YTB-771))
 * USS Keosanqua (USS Keosanqua (AT-38)/USS Keosanqua (ATO-38), USS Keosanqua (ATA-198))
 * USS Keosauqua (USS Keosauqua (1864))
 * USS Kephart (USS Kephart (DE-207)/USS Kephart (APD-61))
 * USS Keppler (USS Keppler (DE-311), USS Keppler (DE-375), USS Keppler (DD-765)/USS Keppler (DDE-765))
 * USS Keresan (USS Keresan (ID-1806))
 * USS Keresaspa (USS Keresaspa (ID-1484))
 * USS Kerkenna (USS Kerkenna (1900))
 * USS Kerlew (USS Kerlew (ID-1325))
 * USS Kermanshah (USS Kermanshah (ID-1473))
 * USS Kermit Roosevelt (USS Kermit Roosevelt (ARG-16))
 * USS Kermoor (USS Kermoor (1907))
 * USS Kern (USS Kern (AOG-2)/USNS Kern (T-AOG-2))
 * USS Kerowlee (USS Kerowlee (1901))
 * USS Kerrville (USS Kerrville (PC-597))
 * USS Kershaw (USS Kershaw (APA-176))
 * USS Kerstin (USS Kerstin (AF-34))
 * USS Kerwood (USS Kerwood (ID-1489))
 * USS Keshena (USS Keshena (YN-37)/USS Keshena (YNT-5)/USS Keshena (YTM-731))
 * USS Kestrel (USS Kestrel (AMc-5)/USS Kestrel (IX-175), USS Kestrel (AMCU-26)/USS Kestrel (MHC-26))
 * USS Kestrel II (USS Kestrel II (SP-529))
 * USS Ketchikan (USS Ketchikan (YTB-795))
 * USS Kete (USS Kete (SS-369))
 * USS Kewaunee (USS Kewaunee (PC-1178)/USS Kewaunee (PCC-1178), USS Kewaunee (YTM-752))
 * USS Kewaydin (USS Kewaydin (1864), USS Kewaydin (1869), USS Kewaydin (AT-24)/USS Kewaydin (ATO-24))
 * USS Keweenaw (USS Keweenaw (AVG-44)/USS Keweenaw (ACV-44)/USS Keweenaw (CVE-44))
 * USS Key (USS Key (DE-348))
 * USS Key West (USS Key West (1862), USS Key West (PG-125)/USS Key West (PF-17), USS Key West (SSN-722))
 * USS Keyport (USS Keyport (YF-885))
 * USS Keystone State (USS Keystone State (1853), USS Keystone State (1904), SS Keystone State (T-ACS-1))
 * USS Keywadin (USS Keywadin (1869), USS Keywadin (AT-24)/USS Keywadin (ATO-24), USS Keywadin (ATA-213))

Kh-Ki

 * USS Khe Sanh (USS Khe Sanh (LHA-5))
 * USS Kiamichi (USS Kiamichi (AOG-73))
 * USS Kiasutha (USS Kiasutha (YT-463)/USS Kiasutha (YTB-463))
 * USS Kickapoo (USS Kickapoo (1864), USS Kickapoo (AT-29))
 * USS Kidd (USS Kidd (DD-661), USS Kidd (DD-993)/USS Kidd (DDG-993), USS Kidd (DDG-100))
 * USS Kidder (USS Kidder (DD-319))
 * USS Kilauea (USS Kilauea (AE-4), USS Kilauea (AE-26)/USNS Kilauea (T-AE-26))
 * USS Killarney (USS Killarney (SP-219))
 * USS Killdeer (USS Killdeer (AMc-21)/USS Killdeer (IX-194), USS Killdeer (AMCU-27))
 * USS Killen (USS Killen (DD-593))
 * USS Killerig (USS Killerig (1918))
 * RV Kilo Moana (T-AGOR-26) (Operated by the University of Hawaii)
 * USS Kilty (USS Kilty (DD-137)/USS Kilty (AG-20)/USS Kilty (APD-15))
 * USS Kimberly (USS Kimberly (DD-80), USS Kimberly (DD-521))
 * USS Kineo (USS Kineo (1861), USS Kineo (AT-39))
 * USS King (USS King (DD-242), USS King (DL-10)/USS King (DLG-10)/USS King (DDG-41))
 * USS King County (USS King County (LST-857)/USS King County (AG-157))
 * USS King Philip (USS King Philip (1845))
 * USS Kingbird (USS Kingbird (AMc-56)/USS Kingbird (IX-176), USS Kingbird (AMS-194)/USS Kingbird (MSC-194))
 * USS Kingfish (USS Kingfish (SS-234))
 * USS Kingfisher (USS Kingfisher (1861), USS Kingfisher (SP-76), USS Kingfisher (AM-25)/USS Kingfisher (AT-135)/USS Kingfisher (ATO-135), USS Kingfisher (MHC-56))
 * USS Kingman (USS Kingman (AKS-18)/USS Kingman (APB-47))
 * USS Kingsbury (USS Kingsbury (APA-177)/USS Kingsbury (LPA-177))
 * USS Kingsmill (USS Kingsmill (DE-280))
 * USNS Kingsport (USNS Kingsport (T-AG-164))
 * USNS Kingsport Victory (USNS Kingsport Victory (T-AK-239))
 * USS Kingsville (USS Kingsville (LCS-36))
 * USS Kinkaid (USS Kinkaid (DD-965))
 * USS Kinsman (USS Kinsman (1854))
 * USS Kinzer (USS Kinzer (DE-232)/USS Kinzer (APD-91))
 * USS Kiowa (USS Kiowa (SP-711), USS Kiowa (ID-1842), USS Kiowa (AT-72)/USS Kiowa (ATF-72))
 * USS Kirk (USS Kirk (DE-1087)/USS Kirk (FF-1087))
 * USS Kirkpatrick (USS Kirkpatrick (DE-318)/USS Kirkpatrick (DER-318))
 * USS Kirwin (USS Kirwin (DE-229)/USS Kirwin (APD-90)/USS Kirwin (LPR-90))
 * USS Kishwaukee (USS Kishwaukee (AOG-9))
 * USS Kiska (USS Kiska (AE-35)/USNS Kiska (T-AE-35))
 * USS Kite (USS Kite (AM-75), USS Kite (AM-403), USS Kite (AMS-22)/USS Kite (MSC(O)-22))
 * USS Kitkun Bay (USS Kitkun Bay (AVG-71)/USS Kitkun Bay (ACV-71)/USS Kitkun Bay (CVE-71))
 * USS Kittanning (USS Kittanning (YTB-787))
 * USS Kittatinny (USS Kittatinny (1861))
 * USS Kittaton (USS Kittaton (YT-406)/USS Kittaton (YTB-406)/USS Kittaton (YTM-406))
 * USS Kittery (USS Kittery (AK-2), USS Kittery (PC-1201))
 * USS Kittiwake (USS Kittiwake (ASR-13))
 * USS Kittson (USS Kittson (APA-123))
 * USS Kitty Hawk (USS Kitty Hawk (APV-1)/USS Kitty Hawk (AKV-1), USS Kitty Hawk (CVA-63)/USS Kitty Hawk (CV-63))

Kl-Ky

 * USS Klakring (USS Klakring (FFG-42))
 * USS Klamath (USS Klamath (1865))
 * USS Klaskanine (USS Klaskanine (AOG-63))
 * USS Kleinsmith (USS Kleinsmith (DE-376), USS Kleinsmith (DE-718)/USS Kleinsmith (APD-134))
 * USS Klickitat (USS Klickitat (AOG-64))
 * USS Kline (USS Kline (DE-687)/USS Kline (APD-120))
 * USS Klondike (USS Klondike (AD-22)/USS Klondike (AR-22))
 * USS Knapp (USS Knapp (DD-653))
 * USS Knave (USS Knave (AM-256)/USS Knave (MSF-256))
 * USS Knickerbocker (USS Knickerbocker (SP-479))
 * USS Knight (USS Knight (DD-633)/USS Knight (DMS-40))
 * RV Knorr (USS Knorr (AGOR-15)) (Operated by Woods Hole Oceanographic Institution)
 * USS Knox (USS Knox (AP-91)/USS Knox (APA-46), USS Knox (DE-1052)/USS Knox (FF-1052))
 * USS Knox Victory (USS Knox Victory (AGM-7))
 * USS Knoxville (USS Knoxville (PG-172)/USS Knoxville (PF-64))
 * USS Knudson (USS Knudson (DE-591)/USS Knudson (APD-101)/USS Knudson (LPR-101))
 * USS Kochab (USS Kochab (AKS-6))
 * USS Kodiak (USS Kodiak (LSM-161), USS Kodiak (YF-866))
 * USS Koelsch (USS Koelsch (DE-1049)/USS Koelsch (FF-1049))
 * USS Kohi (USS Kohi (YAG-27))
 * USS Koiner (USS Koiner (DE-331)/USCGC Koiner (WDE-431)/USS Koiner (DER-331))
 * USS Koka (USS Koka (1865), USS Koka (AT-31), USS Koka (ATA-185))
 * USS SS Koningin der Nederlanden (1911)
 * USS Konoka (USS Konoka (YT-151)/USS Konoka (YTM-151)/USS Konoka (YTB-151))
 * USS Kopara (USS Kopara (AK-62)/USS Kopara (AG-50))
 * USS Kosciusko (USS Kosciusko (1858))
 * USS Kraken (USS Kraken (SS-370))
 * USS Kretchmer (USS Kretchmer (DE-329)/USCGC Kretchmer (WDE-429)/USS Kretchmer (DER-329))
 * USS Krishna (USS Krishna (ARL-38))
 * USS Kroonland (USS Kroonland (ID-1541))
 * USS Kukui (USS Kukui (1917), USCGC Kukui (WAK-186))
 * USS Kula Gulf (USS Kula Gulf (CVE-108)/USS Kula Gulf (AKV-8))
 * USS Kumigan (USS Kumigan (SP-97))
 * USS Kuwana II (USS Kuwana II (SP-594))
 * USS Kwajalein (USS Kwajalein (CVE-98)/USS Kwajalein (CVU-98)/USS Kwajalein (AKV-34))
 * USS Kwasind (USS Kwasind (SP-1233))
 * USS Kyne (USS Kyne (DE-744))