| Prosnes | |
| Commune Status: | Commune |
| Arrondissement: | Reims |
| Canton: | Mourmelon-Vesle et Monts de Champagne |
| Insee: | 51447 |
| Postal Code: | 51400 |
| Mayor: | Francis Munier[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CU Grand Reims |
| Coordinates: | 49.1902°N 4.291°W |
| Elevation M: | 107 |
| Area Km2: | 32.79 |
Prosnes (in French pronounced as /pʁon/) is a commune in the Marne department in north-eastern France.