| Saint-Didier | |
| Commune Status: | Commune |
| Coordinates: | 47.35°N 3.6219°W |
| Insee: | 58237 |
| Postal Code: | 58190 |
| Arrondissement: | Clamecy |
| Canton: | Clamecy |
| Intercommunality: | Tannay-Brinon-Corbigny |
| Mayor: | Jean-Pierre Bierry[1] |
| Term: | 2020 - 2026 |
| Elevation Min M: | 162 |
| Elevation Max M: | 213 |
| Area Km2: | 3.51 |
Saint-Didier (in French pronounced as /sɛ̃ didje/) is a commune in the Nièvre department in central France.[2]