Asociación Española di Reversi-Othello
British Othello Federation
Canadian Othello Federation
China Othello Federation
Dansk Othello Forbund
Fédération Française d'Othello
Federazione Nazionale Gioco Othello
Hong Kong Othello Association
Japan Othello Association
Korean Othello Association
Malaysia Othello Association
Nederlandse Othello Vereniging
Othello Association of Singapore
Othello Club Deutschland
Polska Federacja Othello
Svenska Othello Förbundet
United States Othello Association
Australian Othello Federation
Federation Belge d’Othello
