| Le Trévoux | |
| Native Name: | An Treou-Kernev |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Le Trévoux (Finistère).svg |
| Coordinates: | 47.8953°N -3.64°W |
| Elevation Min M: | 47 |
| Elevation Max M: | 105 |
| Insee: | 29300 |
| Postal Code: | 29380 |
| Arrondissement: | Quimper |
| Canton: | Moëlan-sur-Mer |
| Mayor: | Élina Vandenbroucke[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CA Quimperlé Communauté |
| Area Km2: | 20.83 |
Le Trévoux (in French pronounced as /lə tʁevu/; Breton: An Treoù-Kerne) is a commune in the Finistère department of Brittany in north-western France.
Inhabitants of Le Trévoux are called in French Trévoltois.