Leo Peter Lamoureux (October 1, 1916 – January 11, 1961) was a Canadian ice hockey defenceman.

He played for the Montreal Canadiens in the National Hockey League from 1942 to 1947.

He was named a Quebec Senior Hockey League First team All-Star in 1940.

During the 1960-61 season, Lamoureux became ill and entered an Indianapolis hospital where he was diagnosed with acute hepatitis, from which he died January 11, 1961.

This biographical article relating to a Canadian ice hockey defenceman born in the 1910s is a stub.