| Neuilly-en-Donjon | |
| Commune Status: | Commune |
| Arrondissement: | Vichy |
| Canton: | Dompierre-sur-Besbre |
| Insee: | 03196 |
| Postal Code: | 03130 |
| Mayor: | Bernard Bourachot[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Entr'Allier Besbre et Loire |
| Coordinates: | 46.3458°N 3.8864°W |
| Elevation M: | 295 |
| Elevation Min M: | 258 |
| Elevation Max M: | 326 |
| Area Km2: | 25.02 |
Neuilly-en-Donjon (in French pronounced as /nœji ɑ̃ dɔ̃ʒɔ̃/) is a commune in the Allier department in Auvergne in central France.