James Alexander Charles Auld (July 22, 1921 – ) was an Ontario political figure. He represented Leeds in the Legislative Assembly of Ontario from 1954 to 1981 as a Progressive Conservative member.
He was born in Toronto, the son of James Carswell Auld, and educated in Toronto and at the University of Toronto. In 1946, he married Nancy Eleanor Gilmour. Auld served as captain in the Queen's Own Rifles. He was a member of the town council for Brockville. He served in the provincial cabinet as Minister of Transport from 1962 to 1963, Minister of Travel and Publicity from 1963 to 1964, Minister of Tourism and Information from 1964 to 1971, Minister of Public Works from 1971 to 1972, Minister of the Environment from 1972 to 1974, Minister of Colleges and Universities from 1974 to 1975, Minister of Government Services in 1977, Minister of Energy from 1978 to 1979 and Minister of Natural Resources from 1978 to 1981. Auld was also Chair of the Management Board of Cabinet and commissioner on the Board of Internal Economy.