| Saint-Plaisir | |
| Commune Status: | Commune |
| Arrondissement: | Moulins |
| Canton: | Bourbon-l'Archambault |
| Insee: | 03251 |
| Postal Code: | 03160 |
| Mayor: | Didier Thévenoux[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Bocage Bourbonnais |
| Coordinates: | 46.6233°N 2.9686°W |
| Elevation M: | 275 |
| Elevation Min M: | 207 |
| Elevation Max M: | 319 |
| Area Km2: | 52.54 |
Saint-Plaisir (in French pronounced as /sɛ̃ plɛziʁ/) is a commune in the Allier department in Auvergne-Rhône-Alpes in central France.