J. Maurice Hamilton (March 4, 1923 – June 24, 1976) was a Canadian politician and farmer. He represented Renfrew North in the Legislative Assembly of Ontario from 1958 to 1975 as a Progressive Conservative member.

Hamilton was first elected in a by-election in 1958 and was subsequently re-elected in the elections of 1959, 1963, 1967, and 1971. He retired from politics in 1975.

He was married to Isabel Keuhl (1926–2006) and was killed in a canoeing accident in 1976.