Castelnaud-la-Chapelle (French pronunciation: [kastɛlno la ʃapɛl]; Occitan: Castelnòu e La Capèla) is a commune in the Dordogne department in Nouvelle-Aquitaine in southwestern France. It was created in 1973 by the merger of two former communes: Castelnaud-Fayrac and La Chapelle-Péchaud. It is a member of Les Plus Beaux Villages de France (The Most Beautiful Villages of France).
The Château de Castelnaud-la-Chapelle is located in the commune.
