| La Valla-sur-Rochefort | |
| Commune Status: | Commune |
| Arrondissement: | Montbrison |
| Canton: | Boën-sur-Lignon |
| Insee: | 42321 |
| Postal Code: | 42111 |
| Mayor: | Thierry Chavaren[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Loire Forez Agglomération |
| Coordinates: | 45.76°N 3.8528°W |
| Elevation M: | 830 |
| Elevation Min M: | 766 |
| Elevation Max M: | 1224 |
| Area Km2: | 8.98 |
La Valla-sur-Rochefort (in French pronounced as /la vala syʁ ʁɔʃfɔʁ/, literally La Valla on Rochefort) is a commune in the Loire department in central France.