John Holliday
John Holliday may refer to:
- Doc Holliday, American dentist, gambler, and gunfighter, famed for the Gunfight at the O.K. Corral
- Doc Holliday (American football), American football coach
- John Holliday (barrister)
- John Holliday (judoka), British Olympic judoka
- John Holliday (pioneer), early American pioneer of Western Virginia
- John Holliday, guitarist of the British pop rock band The Escape Club
- John Holliday, a Texas freebooter who gave his name to Holliday, Texas
- Johnny Holliday, American radio sportscaster