| Madeleine Bélanger | |
| Birth Date: | 1932 4, mf=yes |
| Birth Place: | Saint-Sébastien, Quebec, Canada |
| Profession: | Educator |
| Party: | Quebec Liberal Party |
| Office1: | Member of the National Assembly of Quebec for Mégantic-Compton |
| Term Start1: | December 5, 1983 |
| Term End1: | April 14, 2003 |
| Predecessor1: | Fabien Bélanger |
| Successor1: | Daniel Bouchard |
| Spouse: | Jules Gonthier Fabien Bélanger (1973-1983) |
| Children: | Johanne Gonthier |
Madeleine Bélanger (née Audet; born April 7, 1932) is a Canadian politician who served as a Member of the National Assembly of Quebec (MNA) for the riding of Mégantic-Compton from 1983 until 2003. Following the death of her second husband, Fabien Bélanger, on October 2, 1983, she was elected as his replacement on December 5, 1983. She served as a member of the Quebec Liberal Party.
Bélanger's daughter, Johanne Gonthier, served as the Liberal MNA for the same riding from 2007 to 2012. Bélanger's nephew, Gérard Gosselin, served as a Parti Québécois MNA for Sherbrooke from 1976 to 1981.
Bélanger was born April 7, 1932, in Saint-Sébastien, Quebec to Léopold Audet, a farmer, and Zélia Saint-Pierre. She worked as an elementary school teacher at Saint-Samuel-Station for three years. She owned two hairdressing salons and worked as an administrator and manager of a home electrical installation company for three years, then as a director of two residential development companies.
Bélanger's husband, Fabien Bélanger, died suddenly on October 2, 1983. She secured the Liberal nomination for Mégantic-Compton and won the ensuing by-election. She was re-elected in 1985, 1989, 1994 and 1998. Bélanger served as Parliamentary Assistant to the Minister of Municipal Affairs during the brief government of Daniel Johnson Jr. and later became Chair of the Committee on Planning and the Public Domain as well as the Chairperson of the Committee on Education during her time in office.
She did not seek re-election in 2003.