Gary Francis McCauley (born 1 April 1940 in Cochrane, Ontario) was a Liberal party member of the Canadian House of Commons. He was a clergyman and broadcaster by career.
He represented New Brunswick's Moncton electoral district since winning that seat in the 1979 federal election. McCauley was re-elected in the 1980 election, but lost in 1984 to Dennis Cochrane of the Progressive Conservative party. McCauley served in the 31st and 32nd Canadian Parliaments.