The canton Boulay-Moselle has 31 communes.
| Code | Name | Population ▼ |
|---|---|---|
| 57160 | Creutzwald | 12 254 |
| 57097 | Boulay-Moselle | 5 434 |
| 57288 | Ham-sous-Varsberg | 2 888 |
| 57696 | Varsberg | 973 |
| 57542 | Piblange | 943 |
| 57274 | Guerting | 866 |
| 57667 | Téterchen | 757 |
| 57150 | Condé-Northen | 737 |
| 57154 | Coume | 593 |
| 57730 | Volmerange-lès-Boulay | 548 |
| 57695 | Varize-Vaudoncourt | 508 |
| 57312 | Helstroff | 481 |
| 57252 | Gomelange | 476 |
| 57530 | Ottonville | 464 |
| 57085 | Bionville-sur-Nied | 393 |
| 57187 | Éblange | 360 |
| 57599 | Roupeldange | 326 |
| 57326 | Hinckange | 321 |
| 57471 | Momerstroff | 298 |
| 57507 | Niedervisse | 279 |
| 57172 | Denting | 268 |
| 57087 | Bisten-en-Lorraine | 245 |
| 57070 | Bettange | 242 |
| 57705 | Velving | 199 |
| 57519 | Obervisse | 154 |
| 57277 | Guinkirchen | 141 |
| 57455 | Mégange | 138 |
| 57495 | Narbéfontaine | 115 |
| 57691 | Valmunster | 88 |
| 57112 | Brouck | 80 |
| 57048 | Bannay | 78 |