| Thionne | |
| Commune Status: | Commune |
| Arrondissement: | Vichy |
| Canton: | Moulins-2 |
| Insee: | 03284 |
| Postal Code: | 03220 |
| Mayor: | Monique Bouillot[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Entr'Allier Besbre et Loire |
| Coordinates: | 46.4058°N 3.5767°W |
| Elevation M: | 260 |
| Elevation Min M: | 237 |
| Elevation Max M: | 305 |
| Area Km2: | 26.96 |
Thionne (in French pronounced as /tjɔn/) is a commune in the Allier department in Auvergne-Rhône-Alpes in central France.