The name John is primarily a male name of Hebrew origin that means God Is Gracious.John Adams, John Quincy Adams, John Tyler, John F. Kennedy, U.S. Presidents. John Travolta, actor. John Locke, philosopher. John Grisham, author. John Gielgud, actor. John Wayne, actor. John Elway, U.S. football player. John Lennon, musician. John Cusack, actor.