canton of La Roche-Derrien (canton de La Roche-Derrien)
- canton of France
- Country:
- Capital: La Roche-Derrien
- Coordinates: 48° 44' 50" N, 3° 15' 30" E
- GPS tracks (wikiloc): [Link]
- Wikidata storage: Wikidata: Q1725655
- INSEE canton code: [2242]
Includes regions:

Pommerit-Jaudy
- commune in Côtes-d'Armor, France
- Country:
- Postal Code: 22450
- Coordinates: 48° 43' 55" N, 3° 14' 32" E
- GPS tracks (wikiloc): [Link]
- Area: 20.37 sq km
- Population: 1247
- Web site: [Link]


Mantallot
- commune in Côtes-d'Armor, France
- Country:
- Postal Code: 22450
- Coordinates: 48° 42' 26" N, 3° 17' 56" E
- GPS tracks (wikiloc): [Link]
- Area: 2.76 sq km
- Population: 228


Cavan
- commune in Côtes-d'Armor, France
- Country:
- Postal Code: 22140
- Coordinates: 48° 40' 19" N, 3° 20' 41" E
- GPS tracks (wikiloc): [Link]
- Area: 16.4 sq km
- Population: 1493
- Web site: [Link]


Prat
- commune in Côtes-d'Armor, France
- Country:
- Postal Code: 22140
- Coordinates: 48° 40' 37" N, 3° 17' 51" E
- GPS tracks (wikiloc): [Link]
- Area: 21.87 sq km
- Population: 1119


Pouldouran
- commune in Côtes-d'Armor, France
- Country:
- Postal Code: 22450
- Coordinates: 48° 45' 52" N, 3° 11' 57" E
- GPS tracks (wikiloc): [Link]
- Area: 1.02 sq km
- Population: 161
- Web site: [Link]

Hengoat
- commune in Côtes-d'Armor, France
- Country:
- Postal Code: 22450
- Coordinates: 48° 44' 35" N, 3° 11' 54" E
- GPS tracks (wikiloc): [Link]
- Area: 6.19 sq km
- Population: 221

La Roche-Derrien
- commune in Côtes-d'Armor, France
- Country:
- Postal Code: 22450
- Coordinates: 48° 44' 47" N, 3° 15' 36" E
- GPS tracks (wikiloc): [Link]
- Area: 1.84 sq km
- Population: 1058
- Web site: [Link]

Quemperven
- commune in Côtes-d'Armor, France
- Country:
- Postal Code: 22450
- Coordinates: 48° 43' 30" N, 3° 19' 19" E
- GPS tracks (wikiloc): [Link]
- Area: 7.69 sq km
- Population: 386

Troguéry
- commune in Côtes-d'Armor, France
- Country:
- Postal Code: 22450
- Coordinates: 48° 45' 14" N, 3° 13' 33" E
- GPS tracks (wikiloc): [Link]
- Area: 3.61 sq km
- Population: 283


Berhet
- commune in Côtes-d'Armor, France
- Country:
- Postal Code: 22140
- Coordinates: 48° 41' 43" N, 3° 18' 57" E
- GPS tracks (wikiloc): [Link]
- Area: 3.23 sq km
- Population: 250


Coatascorn
- commune in Côtes-d'Armor, France
- Country:
- Postal Code: 22140
- Coordinates: 48° 40' 26" N, 3° 15' 1" E
- GPS tracks (wikiloc): [Link]
- Area: 8.05 sq km
- Population: 251