John Slaughter

John Slaughter may refer to:


 * John Brooks Slaughter (born 1934), American engineer, Director of National Science Foundation, 1980–1982
 * John Bunyan Slaughter (1848-1928), American rancher and banker.
 * John Horton Slaughter (1841–1922), American lawman, Civil War soldier and gambler known as Texas John Slaughter
 * Texas John Slaughter (TV series) series on Wonderful World of Disney, 1958–1961
 * John Slaughter (MP), Member of Parliament (MP) for Gloucestershire
 * John Slaughter (guitarist) (1944-2010), member of Chris Barber's jazz band