The Cité de l'Architecture et du Patrimoine is a museum of architecture located in the Palais de Chaillot at 1, Place du Trocadéro, Paris, France.

The museum opened in 2007, combining existing and new collections. It contains about 8,000 m² of permanent exhibit space, with a further 1,830 m² for temporary exhibits, and a 1,700 m² architectural library. Its principal permanent exhibit is the Musée des Monuments Français (Museum of French Monuments).