Saint-Roch-de-Richelieu (French pronunciation: [sɛ̃ ʁɔk də ʁiʃ(ə)ljø], lit.

'Saint-Roch of Richelieu') is a municipality located in the Pierre-De Saurel Regional County Municipality of Quebec (Canada), in the administrative region of Montérégie.

The population as of the Canada 2021 Census was 2,573.

Population trend: [5] Mother tongue language (2021)[6]