Saint-Brice-en-Coglès (French pronunciation: [sɛ̃ bʁis ɑ̃ kɔɡl], pronounced as Saint-Brice-en-Cogles; Breton: Sant-Brizh-Gougleiz) is a former commune in the Ille-et-Vilaine department in Brittany in northwestern France.

On 1 January 2017, it was merged into the new commune Maen Roch.

[2] Saint-Brice-en-Coglès is located at 46 km (29 mi) northeast of Rennes and 29 km (18 mi) south of Mont Saint-Michel.

The neighboring communes are Coglès, La Selle-en-Coglès, Saint-Étienne-en-Coglès, Baillé, Saint-Marc-le-Blanc, and Tremblay.

Inhabitants of Saint-Brice-en-Coglès are called briçois in French.