John Horn

John Horn may refer to:
John J. Horn (1917–1999), American labor leader and politician from New Jersey
John L. Horn (1928–2006), American psychologist
John A. Horn, former United States Attorney
Steve Horn, John Stephen Horn (born 1931), American politician from California
John Horn (tennis), British former tennis player of the 1950s

See also
John Horn High School, a secondary school in Mesquite, Texas, United States
John Horne (disambiguation)