John Locke (1632–1704) was an English philosopher.

John Locke or John Lock may also refer to:

• John Locke (author) (born 1951), American e-book writer of crime fiction and Westerns
• John Locke (Canadian politician) (1825–1873), Nova Scotia Senator, 1867–1873
• John Locke (Massachusetts politician) (1764–1855), member of the U.S. House of Representatives, 1823–1829
• John Locke (MP) (1805–1880), British member of parliament for Southwark, 1857–1880
• John Locke (musician) (1943–2006), former member of the jazz-hard rock band Spirit
• John Locke (naturalist) (1792–1856), American naturalist, professor, photographer, and publisher
• John Locke (poet) (1847–1889), Irish poet, novelist and journalist
• John A. Locke (born 1962), member of the Massachusetts House of Representatives from 1995 to 2003
• John Howard Locke (1923–1998), British civil servant
• John L. Locke, American biolinguist, psycholinguist, child phonologist
• John Locke (Lost), fictional character on the American television show Lost
• John Bascombe Lock (1849–1921), bursar of Gonville and Caius College, Cambridge

• Lock (surname)
• Locke (surname)

This disambiguation page lists articles about people with the same name.
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