| Christiane Gagnon | |
| Office: | Member of Parliament for Québec |
| Term Start: | October 25, 1993 |
| Term End: | May 2, 2011 |
| Predecessor: | Gilles Loiselle |
| Successor: | Annick Papillon |
| Birth Date: | 16 April 1948 |
| Birth Place: | Chicoutimi, Quebec, Canada |
| Profession: | Real estate agent |
| Party: | Bloc Québécois |
| Residence: | Quebec City, Quebec, Canada |
| Spouse: | Michel Lemieux |
Christiane Gagnon (born April 16, 1948) is a Canadian politician who served as the Member of Parliament (MP) for the electoral district of Québec from 1993 to 2011. She is a member of the Bloc Québécois (BQ).
Gagnon was born in Chicoutimi, Quebec. She worked as a real estate agent.
She was first elected to the House of Commons in the 1993 federal election as the Bloc Québécois candidate in the district of Québec. She was re-elected in the federal general elections of 1997, 2000, 2004, 2006 and 2008. She was defeated in the 2011 election by NDP candidate Annick Papillon.
She served as the Bloc's caucus chair from 1996 to 1998. She has also been the Bloc's critic of the Status of Women, the Federal Office of Regional Development-Quebec, Housing, Poverty, Canadian Heritage, the National Capital Commission, and the National Capital Region. She did not participate in the 2015 election. She was a candidate in the 2019 election, which she narrowly lost to the Liberal Party incumbent Jean-Yves Duclos.[1]