Joseph Antonio Thomas (13 September 1912 – 19 January 1998) was a Liberal party member of the House of Commons of Canada.
He was first elected at the Maisonneuve—Rosemont riding in the 1965 general election, then after a 1966 realignment of riding boundaries he was re-elected at the Maisonneuve riding in the 1968 federal election.
That riding was given the Maisonneuve—Rosemont name in 1970 where in the 1972 election Thomas was re-elected.
After completing his term in the 29th Canadian Parliament, he left federal office and did not campaign in any further federal elections.
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