| Type: | canton |
| Saint-Paul-Trois-Châteaux | |
| Insee: | 2625 |
| Seat: | Saint-Paul-Trois-Châteaux |
| Pop: | 19749 |
| Population As Of: | 2012 |
| Nbcomm: | 10 |
| Disbanded: | 2015 |
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.[1] It was disbanded following the French canton reorganisation which came into effect in March 2015. It included the following communes:[1]