John Joseph "Jack" Rhatigan (18 June 1907 – 9 November 1970) was an Australian politician who was a Labor Party member of the Legislative Assembly of Western Australia from 1953 to 1968, representing the seat of Kimberley.
Rhatigan was born in Turkey Creek (now known as Warmun), a small inland community in Western Australia's Kimberley region.
His father was a stockman.
Rhatigan was sent away to be educated, boarding at Christian Brothers' College, Perth, but returned to the Kimberley after leaving school.
He joined the Department of Native Affairs in 1946, having earlier worked as a stockman, linesman, drover, and cattle station manager.
From 1949, Rhatigan served as the district officer for the entire East Kimberley region, and was based in Broome.
He resigned to contest the 1953 Kimberley by-election, which had been caused by the death of the sitting Labor member, Aubrey Coverley.
Rhatigan was successful, becoming the first member for Kimberley born in the region, and went on to hold the seat until his defeat at the 1968 state election.