John Valentine

John Valentine may refer to:

Johnny Valentine may refer to:
 * John Valentine (composer) (1730–91), English composer, father of composer Ann Valentine
 * John Valentine (cricketer) (b. 1954), Canadian former cricketer
 * John Valentine (baseball) (1855–1903), American baseball player and umpire
 * John J. Valentine, Sr. (1840–1901), president of Wells Fargo
 * John L. Valentine (b. 1949), current Utah State Senator
 * John Valentine, character from Twilight Zone: The Movie
 * John Valentine (MP) for Orford
 * Johnny Valentine (1928–2001), former professional wrestler
 * Johnny Valentine (footballer), played for Rangers FC in the 1957 Scottish League Cup Final
 * Johnny Valentine (singer), a pseudonym for Terry Fell
 * Johnny Valentine, the penname of Sasha Alyson