Saint-Blaise-sur-Richelieu (French pronunciation: [sɛ̃ blɛz syʁ ʁiʃ(ə)ljø], lit.

'Saint-Blaise on Richelieu') is a municipality in the Canadian province of Quebec.

The town is located within the provincial electoral district of Saint-Jean which includes parts of the city of Saint-Jean-sur-Richelieu situated a few kilometers to its north.

It is situated in the western side of the Richelieu River along Quebec Route 223.

Source:[3] The South Shore Protestant Regional School Board previously served the municipality.