The canton Valognes has 31 communes.
| Code | Name | Population ▼ |
|---|---|---|
| 50615 | Valognes | 6 969 |
| 50087 | Brix | 2 165 |
| 50341 | Montebourg | 1 925 |
| 50648 | Yvetot-Bocage | 1 212 |
| 50567 | Saussemesnil | 927 |
| 50498 | Saint-Joseph | 822 |
| 50588 | Tamerville | 691 |
| 50335 | Montaigu-la-Brisette | 495 |
| 50467 | Saint-Floxel | 489 |
| 50478 | Saint-Germain-de-Tournebut | 418 |
| 50270 | Lieusaint | 408 |
| 50194 | Fresville | 373 |
| 50251 | Huberville | 361 |
| 50507 | Saint-Marcouf | 355 |
| 50172 | Émondeville | 341 |
| 50227 | Le Ham | 309 |
| 50421 | Quinéville | 258 |
| 50268 | Lestre | 242 |
| 50186 | Flottemanville | 230 |
| 50461 | Saint-Cyr-Bocage | 213 |
| 50175 | Éroudeville | 194 |
| 50610 | Urville | 190 |
| 50241 | Hémevez | 189 |
| 50190 | Fontenay-sur-Mer | 161 |
| 50390 | Ozeville | 159 |
| 50511 | Saint-Martin-d'Audouville | 158 |
| 50169 | Écausseville | 112 |
| 50258 | Joganville | 84 |
| 50578 | Sortosville | 80 |
| 50026 | Azeville | 79 |
| 50621 | Vaudreville | 77 |