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