| Aurélien Bélanger | |
| Office1: | Ontario MPP |
| Term Start1: | 1934 |
| Term End1: | 1948 |
| Predecessor1: | Joseph St. Denis |
| Successor1: | Louis-Pierre Cécile |
| Constituency1: | Prescott |
| Term Start2: | 1923 |
| Term End2: | 1929 |
| Predecessor2: | Alfred Goulet |
| Successor2: | Charles Avila Séguin |
| Constituency2: | Russell |
| Party: | Liberal |
| Birth Date: | 18 March 1878 |
| Birth Place: | Sainte-Scholastique, Quebec |
| Death Place: | Ottawa, Ontario |
Aurélien Bélanger (March 18, 1878 - February 12, 1953) was an Ontario political figure. He represented Russell in the Legislative Assembly of Ontario as a Liberal and Independent Liberal from 1923 to 1929 and Prescott as a Liberal from 1934 to 1948.
He was born in Sainte-Scholastique, Quebec in 1878, the son of Zotique Belanger, and studied at the Université Laval. Bélanger was a professor at the University of Ottawa, school inspector for Russell County, director of bilingual schools for the city of Ottawa and president of the Saint-Jean-Baptiste Society of Ottawa. He married Alida, the daughter of Télesphore Rochon. Bélanger was one of the founders of the newspaper Le Droit in 1912.[1] He was defeated by Charles Avila Séguin for the Russell seat in 1929. He died at Ottawa in 1953.