The canton Redessan has 21 communes.
| Code | Name | Population ▼ |
|---|---|---|
| 30211 | Redessan | 4 211 |
| 30179 | Montfrin | 3 122 |
| 30166 | Meynes | 2 597 |
| 30039 | Bezouce | 2 348 |
| 30212 | Remoulins | 2 278 |
| 30257 | Saint-Gervasy | 1 984 |
| 30317 | Sernhac | 1 819 |
| 30057 | Cabrières | 1 817 |
| 30346 | Vers-Pont-du-Gard | 1 786 |
| 30073 | Castillon-du-Gard | 1 695 |
| 30145 | Lédenon | 1 685 |
| 30260 | Saint-Hilaire-d'Ozilhan | 1 106 |
| 30085 | Collias | 1 095 |
| 30328 | Théziers | 1 087 |
| 30116 | Fournès | 1 047 |
| 30103 | Domazan | 960 |
| 30235 | Saint-Bonnet-du-Gard | 798 |
| 30207 | Pouzilhac | 756 |
| 30340 | Valliguières | 653 |
| 30107 | Estézargues | 605 |
| 30013 | Argilliers | 436 |