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.^[1]

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.^[2] 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.^[1]

Lefebvre served six consecutive terms in the 27th through 32nd Canadian Parliaments until becoming a Senator of the De Lanaudière division in 1984.^[1] He remained a member of the Canadian Senate until his death in 1992 of cancer.^[3]

There is a Thomas Lefebvre fonds at Library and Archives Canada.^[4]

Note: Social Credit vote is compared to Ralliement créditiste vote in the 1968 election.