| Éloi Guillemette | |
| Office: | Member of the Legislative Assembly of Quebec for Frontenac |
| Successor: | Fernand Grenier |
| Term Start: | 1956 |
| Term End: | 1966 |
| Birth Date: | 1 December 1911 |
| Birth Place: | Saint-Célestin, Quebec |
| Death Place: | Sherbrooke, Quebec |
| Party: | Union Nationale |
Éloi Guillemette (December 1, 1911 - February 23, 1984) was a Canadian politician and a three-term Member of the Legislative Assembly of Quebec.
He was born on December 1, 1911, near Saint-Célestin, Centre-du-Québec and became an agronomist.
Guillemette ran as a Union Nationale and won a seat to the Legislative Assembly of Quebec in the 1956 election in the provincial district of Frontenac. He was re-elected in the 1960 and 1962 elections.
He did not run for re-election in the 1966 election.
He died on February 23, 1984, in Sherbrooke, Quebec.