Le Buisson-de-Cadouin (French pronunciation: [lə bɥisɔ̃ də kadwɛ̃]; Occitan: Lo Boisson de Cadonh) is a commune in the Dordogne department in southwestern France.

It is situated on the left bank of the river Dordogne.

The Gare du Buisson is a railway junction, with connections to Bordeaux, Sarlat-la-Canéda, Agen and Périgueux.

In 1893, the commune of Cabans was renamed Le Buisson.

Cadouin Abbey (founded in 1115, dissolved in 1791) was formerly situated here.