| Maclas | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Maclas (Loire).svg |
| Arrondissement: | Saint-Étienne |
| Canton: | Le Pilat |
| Insee: | 42129 |
| Postal Code: | 42520 |
| Mayor: | Hervé Blanc[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Pilat rhodanien |
| Coordinates: | 45.3631°N 4.6853°W |
| Elevation M: | 400 |
| Elevation Min M: | 256 |
| Elevation Max M: | 453 |
| Area Km2: | 10.15 |
Maclas is a commune in the Loire department in central France.
Maclas is located near the villages of Véranne and Saint-Appolinard, approximately 50 kilometres south of Lyon. It is located in the Pilat mountain range and its main industries are farming and local industry.