| Drosnay | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Drosnay (Marne).svg |
| Arrondissement: | Vitry-le-François |
| Canton: | Sermaize-les-Bains |
| Insee: | 51219 |
| Postal Code: | 51290 |
| Mayor: | Emmanuel Le Roy[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 48.575°N 4.6139°W |
| Elevation M: | 130 |
| Area Km2: | 18.62 |
Drosnay (in French pronounced as /dʁonɛ/) is a commune in the Marne department in north-eastern France.
Drosnay's 17th century half-timbered church was destroyed by an electrical fire on 7 July 2023. Among the art destroyed inside the structure were 16th century stained glass windows, a 17th century altarpiece, and 18th century paneling. It was classified as a historic monument by the French government in 1982.