| Dionel Bellemare | |
| Office: | Member of the Legislative Assembly of Quebec for Vaudreuil |
| Predecessor: | Elzéar Sabourin (fr) |
| Successor: | District was abolished in 1939 |
| Term Start: | 1936 |
| Term End: | 1939 |
| Birth Date: | 25 March 1880 |
| Birth Place: | Yamachiche, Quebec |
| Death Place: | Montreal, Quebec |
| Party: | Union Nationale |
Dionel Bellemare (March 25, 1880 - November 1, 1950) was a Canadian politician from Quebec.
He was born on March 25, 1880, in Yamachiche, Mauricie and was a physician.
Bellemare served as Mayor of Vaudreuil from 1931 to 1934.
Bellemare ran as a Conservative candidate in 1935 for the district of Vaudreuil and finished third with 27% of the vote.
He was elected as a Union Nationale candidate in 1936 with 43% of the vote. He did not run in 1939.
He died on November 1, 1950.