Maurice Lalonde (24 August 1901 – 2 June 1956) was a Liberal party member of the House of Commons of Canada. He was born in Montreal, Quebec and became a lawyer by career.
The son of Wilfrid Lalonde and Blanche L'Archevèque, Lalonde attended Mont Laurier St. Joseph Seminary where he attained a Bachelor of Arts degree, then the Université de Montréal for law studies and then formally became a lawyer in 1927. He also owned the publication La Voix du Nord and served as president of the companies Mont-Laurier Aviation and Lievre Lumber. Lalonde practised law in Mont-Laurier.
He was first elected to Parliament at the Labelle riding in the 1935 general election and re-elected in 1940 and 1945. Lalonde did not seek another term in the 1949 election.
His son Fernand served in the Quebec assembly.