Thomas-Henri Lefebvre (23 May 1927 – 20 November 1992) was a Liberal party member of the House of Commons of Canada. He was born in North Bay, Ontario and became a garage owner and operator by career. The son of Jean-Charles Lefebvre and Clarilda Provost, he was educated in North Bay and established himself in business in Témiscamingue, Quebec. In 1951, he married Léatrice-Lucille Vaillancourt. Lefebvre served on the town council for Témiscamingue from 1961 to 1965. He was elected at Quebec's Pontiac—Témiscamingue electoral district in the 1965 federal election. He was re-elected in the 1972, 1974, 1979 and 1980 federal elections as the riding changed names to Pontiac and Pontiac—Gatineau—Labelle.