The Communauté de communes du Sud-Ouest Amiénois is a former communauté de communes in the Somme département and in the Picardie région of France. It was created in June 2004. It was merged into the new Communauté de communes Somme Sud-Ouest in January 2017.

The communauté de communes succeeded the Syndicat mixte Pays Somme sud ouest (SMPSSO), the dissolution taking effect on 1 January 2008. The ‘’syndicat mixte’’, created in 1981, covered 6 of the neighbouring cantons. The new body was created by order of the prefect on 30 June 2004. It included 63 communes in the cantons of Hornoy-le-Bourg, Poix-de-Picardie and part of the Canton de Molliens-Dreuil.

This Communauté de communes comprised 63 communes:

The Community Council, on 14 June 2007, adopted the principle of membership of the "Syndicat mixte du Pays du Grand Amiénois".

The Community plans to carry out or support actions:

• In terms of economic development, for example, around the future motorway interchange on the A29 at Croixrault.
• In areas of direct interest to the lives of the people: housing (plan of action for the implementation of multi-family housing), culture (financing actions promoting libraries) and multimedia (development in the intercommunal territory).

• Communes of the Somme department

49°46′29″N 1°59′09″E / 49.7747°N 1.9857°E / 49.7747; 1.9857