John Slater
John Slater may refer to:
Business and government
- John Slater , father of John Fox Slater, brother and partner of Samuel Slater
- John Fox Slater, American philanthropist, son of John Slater
- John Slater , art director at Doulton's Burslem factory
- John Slater, former President of the New Zealand National Party and current President of Citizens and Ratepayers Now
- John Slater , British Conservative MP for Eastbourne, 1932–1935
- John Slater , Member of the Legislative Assembly of British Columbia
- John J. Slater Jr., American lawyer and politician in Massachusetts
- John Slater & Co. of Forestdale, Rhode Island
Others
- John C. Slater, American physicist and theoretical chemist
- J. D. Slater, filmmaker and composer
- John Slater , British actor specialising in Cockney parts
- John Slater , English cricketer
- John Slater , British figure skater and ice dancer
- John Slater, former guitarist with Blaze Bayley
- John Slater , British trade union leader
- John Samuel Slater, British professor of civil engineering