Organisation internationale de la Francophonie, an organization of politics and governments of French-speakers
Organisation for the Prohibition of Chemical Weapons | Commonwealth Scientific and Industrial Research Organisation | Organisation of African Unity | Fédération Internationale de l'Automobile | Organisation for Economic Co-operation and Development | Fédération Internationale de Motocyclisme | Fédération Aéronautique Internationale | Rank Organisation | British Darts Organisation | Union Cycliste Internationale | Radio France Internationale | Indian Space Research Organisation | Defence Science and Technology Organisation | Polish Military Organisation | Organisation Todt | Fédération Internationale de Volleyball | Deutsche Gesellschaft für Internationale Zusammenarbeit | United Malays National Organisation | Organisation of Eastern Caribbean States | Exposition Internationale des Arts et Techniques dans la Vie Moderne | European Patent Organisation | Organisation de l'armée secrète | Internationale Bachakademie Stuttgart | The Internationale | Shanghai Cooperation Organisation | L'École Internationale de Théâtre Jacques Lecoq | Hellenic Railways Organisation | Ernst Thälmann Pioneer Organisation | Compagnie Internationale des Wagons-Lits | Netherlands Organisation for Applied Scientific Research |
Agence de Coopération Culturelle et Technique, the precursor to what is now the Organisation internationale de la Francophonie