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 See also John Gilmour (disambiguation) Gilmore (surname) John Gilmore Riley House, historic house in Florida