Maurice Hartt (April 15, 1895 – March 15, 1950) was a Romanian-born Canadian politician.Born in Dorohoi, Romania, the son of Saul Hartt and Malia Segal, he immigrated to Canada when he was twelve. He studied law at Queen's University and was called to the Quebec Bar in 1935. He was created a King's Counsel in 1942 and practiced law in Montreal. He was elected to the Legislative Assembly of Quebec in the riding of Montréal–Saint-Louis in 1939. A Liberal, he was re-elected in 1944.