Christiane Gagnon (born April 16, 1948) is a Canadian politician.
Gagnon was born in Chicoutimi, Quebec. A real estate agent, she was first elected in the 1993 federal election. She was the Bloc Québécois candidate in the riding of Québec (located in Quebec City). She was re-elected in the Canadian federal election, 1997, 2000, 2004, 2006, and in 2008. She was defeated in the 2011 by NPD 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.
Note: Conservative vote is compared to the total of the Canadian Alliance vote and Progressive Conservative vote in 2000 election.