| Fabien Poulin | |
| Office: | Member of the Legislative Assembly of Quebec for Beauce |
| Predecessor: | Georges-Octave Poulin |
| Successor: | Paul-Émile Allard |
| Term Start: | 1960 |
| Term End: | 1962 |
| Birth Date: | 3 January 1928 |
| Birth Place: | Saint-Benoît-Labre, Quebec |
| Death Place: | Saint-Lambert, Quebec |
| Party: | Liberal |
Fabien Poulin (January 3, 1928 - March 7, 2005) was a Canadian provincial politician and physician. He was the Liberal member of the Legislative Assembly of Quebec for Beauce from 1960 to 1962. He was also mayor of Lac-Poulin, Quebec from 1963 to 1964.