canton of Caulnes (canton de Caulnes)
- canton of France
- Country:

- Capital: Caulnes
- Coordinates: 48° 17' 0" N, 2° 9' 0" E

- GPS tracks (wikiloc): [Link]
- Wikidata storage: Wikidata: Q1724822
- INSEE canton code: [2206]
Includes regions:
Saint-Maden
- commune in Côtes-d'Armor, France
- Country:

- Postal Code: 22350
- Coordinates: 48° 19' 50" N, 2° 4' 38" E

- GPS tracks (wikiloc): [Link]
- Area: 6.56 sq km
- Population: 224
- Web site: [Link]
Plumaudan
- commune in Côtes-d'Armor, France
- Country:

- Postal Code: 22350
- Coordinates: 48° 21' 28" N, 2° 7' 29" E

- GPS tracks (wikiloc): [Link]
- Area: 17.83 sq km
- Population: 1258
- Web site: [Link]
Guenroc
- commune in Côtes-d'Armor, France
- Country:

- Postal Code: 22350
- Coordinates: 48° 19' 2" N, 2° 4' 30" E

- GPS tracks (wikiloc): [Link]
- Area: 7.39 sq km
- Population: 219
Saint-Jouan-de-l'Isle
- commune in Côtes-d'Armor, France
- Country:

- Postal Code: 22350
- Coordinates: 48° 16' 3" N, 2° 9' 33" E

- GPS tracks (wikiloc): [Link]
- Area: 8.09 sq km
- Population: 492
- Web site: [Link]
La Chapelle-Blanche
- commune in Côtes-d'Armor, France
- Country:

- Postal Code: 22350
- Coordinates: 48° 15' 57" N, 2° 8' 41" E

- GPS tracks (wikiloc): [Link]
- Area: 7.92 sq km
- Population: 197
Guitté
- commune in Côtes-d'Armor, France
- Country:

- Postal Code: 22350
- Coordinates: 48° 17' 47" N, 2° 5' 40" E

- GPS tracks (wikiloc): [Link]
- Area: 14.53 sq km
- Population: 693
- Web site: [Link]
Caulnes
- commune in Côtes-d'Armor, France
- Country:

- Postal Code: 22350
- Coordinates: 48° 17' 20" N, 2° 9' 17" E

- GPS tracks (wikiloc): [Link]
- Area: 31.36 sq km
- Population: 2468
Plumaugat
- commune in Côtes-d'Armor, France
- Country:

- Postal Code: 22250
- Coordinates: 48° 15' 18" N, 2° 14' 20" E

- GPS tracks (wikiloc): [Link]
- Area: 40.43 sq km
- Population: 1112
- Web site: [Link]