Langdon (surname)

Langdon is a surname. Notable people with the surname include:
 * Charles C. Langdon, American politician
 * Chauncey Langdon (1763–1830), American politician, lawyer and judge
 * Craig Langdon (born 1957), Australian politician
 * Darren Langdon (born 1971), Canadian former National Hockey League player
 * David Langdon (1914–2011), English cartoonist
 * Elisha Bassett Langdon (1827–1867), American brevet brigadier general and Ohio state representative
 * Emma F. Langdon (1875–1937), American union activist
 * George C. Langdon (1833–1909), mayor of Detroit (1878-1879)
 * Harry Langdon (1884–1944), American comedian and silent-movie actor
 * Jeffrey Langdon (born 1975), Canadian figure skater
 * Joan Langdon (1922–2022), Canadian competitive swimmer and breaststroke
 * John Langdon (disambiguation)
 * Jordan Langdon (born 1999), youngest mayoral candidate for Auburn, Alabama
 * Julia Langdon (born c. 1946), British journalist, newspaper political editor and writer
 * Lillian Langdon (1860–1943), American film actress of the silent era
 * Margaret Langdon (died 2005), linguist
 * Mary Joy Langdon (born 1951), British nun
 * Michael Langdon (1920–1991), British bass singer
 * Oliver Langdon, Canadian educator and former politician
 * Olivia Langdon Clemens (1845–1904), wife of American writer and humorist Samuel Clemens (Mark Twain), maiden name Langdon
 * Reuben Langdon, American actor and stuntman
 * Richard Langdon (1729–1803), British cathedral organist
 * Royston Langdon (born 1972), lead singer and bassist of the British glam rock band Spacehog
 * Samuel Langdon (1723–1797), American Congregational clergyman, educator and president of Harvard University
 * Shawn Langdon, American drag racer and winner of the 2013 NHRA Top Fuel championship
 * Stephen Herbert Langdon (1876–1937), American-born British Assyriologist
 * Steven W. Langdon (born 1946), Canadian politician and economist
 * Steve J. Langdon (born 1948), American anthropologist
 * Steve Langdon (hockey player) (born 1953), Canadian former ice-hockey player
 * Sue Ane Langdon (born 1936), American actress
 * Thomas Langdon (cricketer) (1879–1944), English cricketer
 * Thomas Langdon (MP) for Canterbury (UK Parliament constituency)
 * Tom Langdon (born 1994), Australian rules football player
 * Trajan Langdon (born 1976), American retired basketball player
 * Verne Langdon (1941–2011), American mask maker, musician, magician, circus clown, make-up artist, and wrestler
 * Woodbury Langdon (1739–1805), American merchant, statesman, and justice

Fictional characters:
 * Robert Langdon, fictional character created by author Dan Brown
 * Tate Langdon (born 1977), fictional serial killer in the American Horror Story TV series
 * Michael Langdon, the antichrist in the American Horror Story TV series