Communauté de communes du Grand Roye

The Communauté de communes du Grand Roye is a communauté de communes in the Somme département and in the Hauts-de-France région of France. It was created on 1 January 2012, and the former Communauté de communes du canton de Montdidier was merged into it on 1 January 2017. It consists of 62 communes, and its seat is in Montdidier.

The communauté de communes consists of the following 62 communes: