John Valentine may refer to:John Valentine (composer) (1730–1791), English composer, father of composer Ann Valentine John Valentine (cricketer), Canadian cricketer John Valentine (baseball) (1855–1903), American baseball player and umpire John J. Valentine, Sr. (1840–1901), president of Wells Fargo John L. Valentine, Utah State Senator John Valentine, character from Twilight Zone: The Movie John Valentine (MP), 16th-century member of Parliament for Orford