| Elzéar Gérin | |
| Office: | Member of the Legislative Assembly of Quebec for Saint-Maurice |
| Predecessor: | Abraham Lesieur Desaulniers |
| Successor: | Élie Lacerte |
| Term Start: | 1871 |
| Term End: | 1875 |
| Office2: | Member of the Legislative Council of Quebec for Kennebec |
| Predecessor2: | Joseph Gaudet |
| Successor2: | Édouard-Louis Pacaud |
| Term Start2: | 1871 |
| Term End2: | 1875 |
| Birth Date: | 14 November 1843 |
| Birth Place: | Yamachiche, Canada East |
| Death Place: | Montreal, Quebec |
| Party: | Conservative |
| Profession: | Lawyer |
| Parents: | Antoine Gérin dit Lajoie and Amable Gélinas |
Elzéar Gérin, (14 November 1843 - 18 August 1887), was a politician in Quebec, Canada.[1]
Elzéar was born on in Yamachiche, Mauricie and was an attorney by vocation. He served as a member of the Legislative Assembly.
He ran as a Conservative candidate in an 1868 by-election in the district of Saint-Maurice, but lost against another Conservative Élie Lacerte.
In 1871, Desaulniers became the Conservative Member of the Legislative Assembly for the district of Saint-Maurice. He did not run for re-election in 1875.
He was appointed to the Legislative Council of Quebec in 1882 and died in office.