The canton Pluvigner has 11 communes.
| Code | Name | Population ▼ |
|---|---|---|
| 56177 | Pluvigner | 7 682 |
| 56023 | Brech | 7 052 |
| 56169 | Plouhinec | 5 400 |
| 56097 | Landévant | 4 056 |
| 56031 | Camors | 3 260 |
| 56130 | Merlevenez | 3 174 |
| 56096 | Landaul | 2 516 |
| 56148 | Nostang | 1 676 |
| 56021 | Brandérion | 1 494 |
| 56220 | Sainte-Hélène | 1 303 |
| 56062 | Gâvres | 696 |