| Le Donjon | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason Le Donjon.svg |
| Arrondissement: | Vichy |
| Canton: | Dompierre-sur-Besbre |
| Insee: | 03103 |
| Postal Code: | 03130 |
| Mayor: | Guy Labbe[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 46.3514°N 3.7936°W |
| Elevation M: | 292 |
| Elevation Min M: | 265 |
| Elevation Max M: | 466 |
| Area Km2: | 37.02 |
Le Donjon (in French pronounced as /lə dɔ̃ʒɔ̃/) is a commune in the Allier department in central France.