Nendaz is a municipality in the district of Conthey in the canton of Valais in Switzerland.
Nendaz is first mentioned in 984 as Nenda. It was also known under its German name Neind though that name is no longer used.
The municipality is located in the middle Valais, and stretches from the left bank of the Rhone river (490 m (1,610 ft)) up to the peak of the Rosablanche (3,336 m (10,945 ft)). It consists of about 15 villages and hamlets including Basse-Nendaz, Haute-Nendaz, Bieudron, Aproz, Baar, Brignon and Beuson.