| J. Maurice Hamilton | |
| Office1: | Ontario MPP |
| Term Start1: | 1958 |
| Term End1: | 1975 |
| Predecessor1: | Stanley Joseph Hunt |
| Successor1: | Sean Conway |
| Constituency1: | Renfrew North |
| Party: | Progressive Conservative |
| Birth Date: | 4 March 1923 |
| Birth Place: | Pembroke, Ontario |
| Death Place: | Round Lake, Ontario |
| Occupation: | Farmer |
| Spouse: | Isabel Keuhl |
J. Maurice Hamilton (March 4, 1923 – June 24, 1976) was a Canadian politician, who represented Renfrew North in the Legislative Assembly of Ontario from 1955 to 1975 as a Progressive Conservative member.[1] He was first elected in the general election in 1955 and was re-elected in the elections in 1959, 1963, 1967, and 1971. He retired from politics in 1975. He was a farmer, by profession, and he was married to Isabel Keuhl (1926–2006). Hamilton is buried in the Calvin United Church & First Presbyterian Cemetery, Laurentian Valley, Renfrew, Ontario.
He died in a canoeing accident in 1976.[2]