| Alligny-Cosne | |
| Commune Status: | Commune |
| Arrondissement: | Cosne-Cours-sur-Loire |
| Canton: | Cosne-Cours-sur-Loire |
| Insee: | 58002 |
| Postal Code: | 58200 |
| Mayor: | Philippe Bourgeois[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 47.455°N 3.0628°W |
| Elevation M: | 275 |
| Elevation Min M: | 192 |
| Elevation Max M: | 331 |
| Area Km2: | 34.41 |
Alligny-Cosne (in French pronounced as /aliɲi kon/) is a commune in the Nièvre department in central France.[2]