Ombudsman associations
- Asian Ombudsman Association
- Australian and New Zealand Ombudsman Association
- British and Irish Ombudsman Association
- OmbudsNet - Integrated Information and Communication System for Ombudsman Offices in Latin America and the Caribbean
- Pacific Ombudsman Alliance
- The European Ombudsman Institute
- The Forum of Canadian Ombudsmen
- The International Ombudsman Institute
- The United States Ombudsman Association