The Jacks may refer to: Irish slang for the toilet Australian slang for the police A clipped version of Jackeen The Jacks (band), an American rock band from Los Angeles, California The Jacks (1960s Japanese band), a 1960s Japanese psychedelic rock group The Jacks, aka The Cadets (doo wop), a 1940s/1950s American group who have officially released work under the name "The Jacks" on RPM Records The Jacks, a Melbourne Australia-based punk rock'n'roll trio Swansea City, a Welsh football club and their supporters are unofficially nicknamed the Jacks