The region Réunion has 24 communes.
| Code | Name | Population ▼ | Department |
|---|---|---|---|
| 97411 | Saint-Denis | 155 634 | 974 |
| 97415 | Saint-Paul | 108 088 | 974 |
| 97416 | Saint-Pierre | 85 038 | 974 |
| 97422 | Le Tampon | 82 579 | 974 |
| 97409 | Saint-André | 58 885 | 974 |
| 97414 | Saint-Louis | 54 941 | 974 |
| 97412 | Saint-Joseph | 39 207 | 974 |
| 97410 | Saint-Benoît | 38 604 | 974 |
| 97418 | Sainte-Marie | 37 093 | 974 |
| 97408 | La Possession | 36 568 | 974 |
| 97413 | Saint-Leu | 36 163 | 974 |
| 97407 | Le Port | 33 969 | 974 |
| 97420 | Sainte-Suzanne | 25 551 | 974 |
| 97404 | L'Étang-Salé | 14 464 | 974 |
| 97405 | Petite-Île | 13 067 | 974 |
| 97402 | Bras-Panon | 13 012 | 974 |
| 97401 | Les Avirons | 11 536 | 974 |
| 97421 | Salazie | 7 268 | 974 |
| 97423 | Les Trois-Bassins | 7 221 | 974 |
| 97403 | Entre-Deux | 7 176 | 974 |
| 97406 | La Plaine-des-Palmistes | 6 936 | 974 |
| 97419 | Sainte-Rose | 6 557 | 974 |
| 97417 | Saint-Philippe | 5 082 | 974 |
| 97424 | Cilaos | 5 040 | 974 |