Drosnay (French pronunciation: [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.

• Communes of the Marne department