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Intergovernmental Organizations having received a standing invitation to participate as Observers in the sessions and the work of the General Assembly and maintaining Permanent Offices at Headquarters
- African Union
- Asian-African Legal Consultative Organization
- Caribbean Community (CARICOM)
- Central American Integration System (Sica)
- Commonwealth
- Cooperation Council for the Arab States of the Gulf
- Economic Community of Central African States
- Economic Community of Western African States
- European Union
- International Chamber of Commerce
- International Criminal Police Organization (INTERPOL)
- International Development Law Organization
- International Institute for Democracy and Electoral Assistance
- International Organization of the Francophonie
- International Renewable Energy Agency
- International Union for Conservation of Nature
- International Youth Organization for Ibero-America
- League of Arab States
- Organisation for Economic Co-operation and Development (OECD)
- Organization of American States (OAS)
- Organization of Islamic Cooperation
- Parliamentary Assembly of the Mediterranean
- Partners in Population and Development
- South Centre
- University for Peace
Intergovernmental Organizations having received a standing invitation to participate as Observers in the sessions and the work of the General Assembly and not maintaining Permanent Offices at Headquarters
- African Development Bank
- Agency for the Prohibition of Nuclear Weapons in Latin America and the Caribbean
- Andean Community
- Andean Development Corporation
- ASEAN+3 Macroeconomic Research Office
- Asian Development Bank
- Asian Forest Cooperation Organization (AFoCO)
- Asian Infrastructure Investment Bank
- Association of Caribbean States
- Association of Southeast Asian Nations
- Black Sea Economic Cooperation Organization
- Central American Bank for Economic Integration
- Central Asia Regional Economic Cooperation Institute (CAREC)
- Central European Initiative
- Collective Security Treaty Organization
- Common Fund for Commodities
- Commonwealth of Independent States
- Community of Portuguese-speaking Countries
- Community of Sahelo-Saharan States
- Conference of Ministers of Justice of the Ibero-American Countries
- Conference on Interaction and Confidence-building Measures in Asia
- Council of Europe
- Customs Cooperation Council (World Customs Organization)
- Developing Eight Countries Organization for Economic Cooperation
- East African Community
- Economic Community of Central African States
- Economic Community of West African States
- Economic Cooperation Organization
- Energy Charter Conference
- Eurasian Development Bank
- Eurasian Economic Community
- Eurasian Group on Combating Money Laundering and Financing of Terrorism
- European Organization for Nuclear Research (CERN)
- European Public Law Organization
- Fund for the Development of the Indigenous Peoples of Latin America and the Caribbean
- Global Dryland Alliance
- Global Fund to Fight AIDS, Tuberculosis and Malaria
- Global Green Growth Institute
- Group of Seven Plus
- Hague Conference on Private International Law
- Ibero-American Conference
- Indian Ocean Commission
- Indian Ocean Rim Association
- Inter-American Development Bank
- Intergovernmental Authority on Development
- International Anti-Corruption Academy
- International Centre for Migration Policy Development
- International Chamber of Commerce
- International Civil Defence Organization (ICDO)
- International Conference on the Great Lakes Region of Africa
- International Council for the Exploration of the Sea
- International Fund for Saving the Aral Sea
- International Humanitarian Fact-Finding Commission
- International Hydrographic Organization
- International Institute for the Unification of Private Law (UNIDROIT)
- International Network for Bamboo and Rattan (International Bamboo and Rattan Organization)
- International Solar Alliance
- International Think Tank for Landlocked Developing Countries
- Islamic Development Bank Group
- Italian-Latin American Institute
- Latin American and Caribbean Economic System
- Latin American Integration Association
- Latin American Parliament
- New Development Bank
- OPEC Fund for International Development
- Organisation of African, Caribbean and Pacific States
- Organisation of Eastern Caribbean States
- Organization for Security and Cooperation in Europe
- Organization for Democracy and Economic Development – GUAM
- Pacific Community
- Pacific Islands Development Forum
- Pacific Islands Forum
- Pan African Intergovernmental Agency for Water and Sanitation for Africa
- Permanent Court of Arbitration
- Regional Centre on Small Arms and Light Weapons in the Great Lakes Region, the Horn of Africa and Bordering States
- Shanghai Cooperation Organization
- Small Island Development States Dock (SIDS DOCK)
- South Asian Association for Regional Cooperation
- South Centre
- Southern African Development Community
- Union for the Mediterranean
- Union of South American Nations
- West African Economic and Monetary Union