Canton of Saint-Paul-Trois-Châteaux
# Canton of Saint-Paul-Trois-Châteaux

The Canton of Saint-Paul-Trois-Châteaux is a former canton located in the Department of Drôme, in the Arrondissement of Nyons. Its seat (chef-lieu) was the town Saint-Paul-Trois-Châteaux. The canton had 19,749 inhabitants in 2012. It was disbanded following the French canton reorganisation which came into effect in March 2015. It included the following communes:

* Bouchet
* Clansayes
* La Baume-de-Transit
* Montségur-sur-Lauzon
* Rochegude
* Saint-Paul-Trois-Châteaux
* Saint-Restitut
* Solérieux
* Suze-la-Rousse
* Tulette
