Saint-Valentin (French pronunciation: [sɛ̃ valɑ̃tɛ̃]) is a municipality in southern Quebec, Canada located in the administrative area of the Montérégie.

A Festival de la Saint-Valentin is held every February, along with a St. Valentine's Day Mass.

The post office frequently receives letters from around the world to postmark.

[5][6] The South Shore Protestant Regional School Board previously served the municipality.

[10] This article incorporates text from this source, which is in the public domain: The Municipal Council section is attributed from https://municipalite.saint-valentin.qc.ca/administration