| Bernard Bigras | |
| Honorific-Suffix: | MP |
| Riding: | Rosemont—La Petite-Patrie |
| Parliament: | Canadian |
| Term Start: | 2004 |
| Term End: | 2011 |
| Predecessor: | riding renamed |
| Successor: | Alexandre Boulerice |
| Riding2: | Rosemont—Petite-Patrie |
| Parliament2: | Canadian |
| Term Start2: | 2000 |
| Term End2: | 2004 |
| Predecessor2: | riding renamed |
| Successor2: | riding renamed |
| Riding3: | Rosemont |
| Parliament3: | Canadian |
| Term Start3: | 1997 |
| Term End3: | 2000 |
| Predecessor3: | Benoit Tremblay |
| Successor3: | riding renamed |
| Birth Date: | 4 June 1969 |
| Birth Place: | Montreal, Quebec, Canada |
| Party: | Bloc Québécois |
| Residence: | Montreal, Quebec, Canada |
| Profession: | Economist, political advisor |
Bernard Bigras (born June 4, 1969) is a Canadian politician.
Born in Montreal, Quebec, Bigras was a Bloc Québécois member of the House of Commons of Canada from 1997 to 2011, representing the district of Rosemont—La Petite-Patrie. He is the former caucus chair of the Bloc, and is a former critic of Children and Youth, Cultural Communities, and Citizenship and Immigration and Environment. Bigras is a former economist and political adviser.