John Carnell Crosbie, (born January 30, 1931) is a retired provincial and federal politician who served as the 12th Lieutenant Governor of Newfoundland and Labrador, Canada.
He served as a provincial Cabinet minister under premiers Joey Smallwood and Frank Moores as well as a federal Cabinet minister during the governments of Joe Clark and Brian Mulroney.
As a Cabinet minister under Mulroney, Crosbie was known to be outspoken and controversial.
Crosbie ran unsuccessfully for the leadership of the Liberal Party of Newfoundland and Labrador in 1969, losing to Smallwood, and was also a candidate in the Progressive Conservative Party of Canada's 1983 leadership election, placing third.