canton of Brest-Saint-Marc (canton de Brest-Saint-Marc)
- canton of France (until March 2015)
- Country:
- Capital: Brest
- Coordinates: 48° 23' 31" N, 4° 29' 4" E
- GPS tracks (wikiloc): [Link]
- Wikidata storage: Wikidata: Q1115821
- INSEE canton code: [2953]