Donnay (surname)

Donnay is a surname. Notable people with the surname include:

• Gabrielle Donnay (1920–1987), German-born American crystallographer and historian of science
• Jacques Donnay (1925–2024), French politician
• Maurice Donnay (1859–1945), French dramatist
• Roberta Donnay (born 1966), American jazz singer, musician, composer, and producer