canton of Château-Gontier-Ouest (canton de Château-Gontier-Ouest)
- canton of France (until March 2015)
- Country:
- Capital: Château-Gontier
- Coordinates: 47° 51' 51" N, 0° 45' 45" E
- GPS tracks (wikiloc): [Link]
- Wikidata storage: Wikidata: Q1423175
- INSEE canton code: [5306]