John Hoover

John Hoover may refer to:
 * John Hoover (artist) (1919–2011), American sculptor
 * John Hoover (baseball) (1962-2014), American baseball pitcher
 * J. Edgar Hoover (1895–1972), first director of the FBI, né John Edgar Hoover
 * John H. Hoover (1887–1970), American admiral
 * John J. Hoover (died 1880), American murderer lynched by a mob
 * John Hoover Rothermel (1856–1922), American politician, member of the House of Representatives from Pennsylvania