Joseph-Alfred Dion (21 March 1897 – 30 November 1957) was an independent then Liberal party member of the House of Commons of Canada. He was born in Île-Verte, Quebec and became a lawyer by career. Dion was educated at Ste-Anne-de-la-Pocatière, and at Université Laval where he received his LLB degree. From 1949 to 1952, he was the House of Commons' Deputy Speaker. On 8 April 1952, Dion resigned his Parliamentary seat when he was appointed a puisne judge of the Superior Court of Quebec.