'Most Holy Redeemer') is a municipality located in the Montérégie region of Quebec, Canada, along the border with Ontario.

The municipality includes the town of Saint-Redempteur, and lies south of Rigaud along Route 325.

[5] In 1880, the Parish Municipality of Très Saint Rédempteur was created out of territory ceded by the Parish Municipalities of Sainte-Magdeleine-de-Rigaud and Sainte Marthe.

In 1882, its post office opened, called Saint-Rédempteur, and closed in 1969.

[1] List of former mayors:[10] Commission Scolaire des Trois-Lacs operates Francophone schools.