Edgard Doneux (25 March 1920, Liège - 31 January 1984, Anderlecht) was a Belgian conductor.
Doneux received his entire musical formation at the conservatoire of his native city, and made his conducting debut at the Opéra Royal de Liège, in 1940, aged only 20.
In 1946, he was named principal conductor at the Monnaie opera house in Brussels, and in 1949 chief conductor at the Belgian Radio-Television, retaining the latter post until his death.
He took part in the foundation of the Ballet Royal and l'Opéra Royal de Wallonie, as well as the Festival de Chimay, and was for a time artistic director of the Spa Musical, in Spa, Belgium.