Condat-sur-Vienne (French pronunciation: [kɔ̃da syʁ vjɛn], literally Condat on Vienne; Occitan: Condat) is a commune in the Haute-Vienne department in the Nouvelle-Aquitaine region in western France.

The river Briance forms most of the commune's southern border, then flows into the Vienne, which forms all of its western border.

Inhabitants are known as Condatois in French.