The canton of Montfort-sur-Meu is an administrative division of the Ille-et-Vilaine department, in northwestern France.

At the French canton reorganisation which came into effect in March 2015, it was expanded from 11 to 15 communes.

Its seat is in Montfort-sur-Meu.

[2] It consists of the following communes:[2]

This Ille-et-Vilaine geographical article is a stub.