The Communauté de communes de l'Ouest guyanais (CCOG) is a communauté de communes, an intercommunal structure in the French département d'outre-mer of French Guiana.

[2] The CCOG is composed of the eight westernmost communes of French Guiana:[1][3] (km2) (2017) (per km2) (Seat) The communauté de communes is led by an indirectly elected President along with a bureau communautaire composed of 9 Vice-Presidents.

[4] The president and vice-presidents are chosen by the conseil communautaire of the CCOG composed of 31 communal delegates.

[5] The Communauté de communes de l'Ouest guyanais is governed by an elected council composed of 31 councillors from each of its 8 communes.

The number of council seats each commune receives is proportional based upon their population as follows:[5] The administrative seat of the Communauté de communes de l'Ouest guyanais is located in Mana at 2 rue Bruno Aubert.