Bernard Bigras (born June 4, 1969, in Montreal, Quebec) is a Canadian politician.

Bigras is a Bloc Québécois member of the Canadian House of Commons. He has been a member since 1997. He represents the district of Rosemont—La Petite-Patrie and has also represented Rosemont (1997-2000) and Rosemont—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. He is the current Bloc critic of the Environment. Bigras is a former economist and political adviser.

|- style="text-align: center;" | width="30%" |Preceded by:
The electoral district changed name in 2000. | width="40%" style="text-align: center;" |Member of Parliament for Rosemont—Petite-Patrie
2000-2004 | width="30%" |Succeeded by:
The electoral district changed name in 2003.

|- style="text-align: center;" | width="30%" |Preceded by:
The electoral district changed name in 2003. | width="40%" style="text-align: center;" |Member of Parliament for Rosemont—La Petite-Patrie
2004- | width="30%" |Succeeded by:
Incumbent