John Gilmore

John Gilmore may refer to:
 * John Gilmore (activist) (born 1955), co-founder of the Electronic Frontier Foundation and Cygnus Solutions
 * John Gilmore (musician) (1931–1995), American jazz saxophonist
 * John Gilmore (representative) (1780–1845), Pennsylvania politician
 * John Gilmore (tenor) (1950–1994), American operatic tenor
 * John Gilmore (writer) (1935–2016), American true crime writer, author of Hollywood memoirs, and novelist
 * John C. Gilmore (1837–1922), American Civil War soldier
 * John S. Gilmore, American sociologist
 * John Gilmore (American football) (John H. Gilmore, born 1979), American football player
 * John W. Gilmore (1872–1942), American agronomist, educator and academic administrator