Communauté de communes du Ponthieu-Marquenterre

The Communauté de communes Ponthieu-Marquenterre is a communauté de communes in the Somme département and in the Hauts-de-France région of France. It was formed on 1 January 2017 by the merger of the former Communauté de communes Authie-Maye, the Communauté de communes du canton de Nouvion-en-Ponthieu and the Communauté de communes du Haut Clocher. It consists of 71 communes, and its seat is in Rue.

The communauté de communes consists of the following 71 communes: