Saint-Cyprien-de-Napierville (French pronunciation: [sɛ̃ sipʁijɛ̃ də napjɛʁvil]) is a municipality in Les Jardins-de-Napierville Regional County Municipality in Quebec, Canada, situated in the Montérégie administrative region.

The population as of the 2021 Canadian census was 1,735.

It completely encircles the village of Napierville.