| Le Brethon | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Le Brethon 03.svg |
| Arrondissement: | Montluçon |
| Canton: | Huriel |
| Insee: | 03041 |
| Postal Code: | 03350 |
| Mayor: | Olivier Laraize[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CC du Pays de Tronçais |
| Coordinates: | 46.5717°N 2.7183°W |
| Elevation M: | 350 |
| Elevation Min M: | 198 |
| Elevation Max M: | 383 |
| Area Km2: | 44.61 |
Le Brethon (in French pronounced as /lə bʁətɔ̃/; Occitan (post 1500);: Lo Breton) is a commune in the Allier department in central France.