- U - International organizations (Selection of proper names)
- U.01 - United Nations Organization and related agencies top
- U.01.01 - United Nations Main Bodies
- Economic and Social Council (United Nations)
- International Court of Justice
- International Criminal Tribunal for Rwanda
- International Criminal Tribunal for the Former Yugoslavia
- Permanent Court of Arbitration
- United Nations
- United Nations Administrative Tribunal
- United Nations Disarmament Commission
- United Nations General Assembly
- United Nations Human Rights Council
- United Nations Military Staff Committee
- United Nations Secretariat
- United Nations Secretary General
- United Nations Security Council
- United Nations Trusteeship Council
- U.01.02 - United Nations General Assembly
- United Nations General Assembly
- United Nations General Assembly / Fifth Committee (Administrative and Budgetary)
- United Nations General Assembly / First Committee (Disarmament and International Security)
- United Nations General Assembly / Fourth Committee (Special Political and Decolonization)
- United Nations General Assembly / Second Committee (Economic and Financial)
- United Nations General Assembly / Sixth Committee (Legal)
- United Nations General Assembly / Third Committee (Social, Humanitarian and Cultural)
- United Nations General Assembly Regular Sessions
- United Nations General Assembly Special Sessions
- U.01.03 - United Nations Secretariat
- Special Representative of the United Nations Secretary General
- United Nations Secretariat
- United Nations Secretary General
- U.01.04 - Economic and Social Council (United Nations)
- Economic Commission for Africa
- Economic Commission for Europe
- Economic Commission for Latin America and the Caribbean
- Economic and Social Commission for Asia and the Pacific
- Economic and Social Commission for Western Asia
- Economic and Social Council (United Nations)
- Regional Commissions (UN ECOSOC)
- Standing Committees and Expert Bodies (UN ECOSOC)
- United Nations Commission on Human Rights (Economic and Social Council)
- U.01.05 - United Nations Programmes and Funds
- Trade and Development Board (United Nations)
- United Nations Centre for Human Settlements (Nairobi)
- United Nations Children's Fund
- United Nations Conference on Trade and Development
- United Nations Development Programme
- United Nations Drug Control Programme
- United Nations Environment Programme
- United Nations High Commissioner for Refugees
- United Nations Population Fund
- United Nations Programmes and Funds
- United Nations Relief and Works Agency for Palestine Refugees in the Near East
- World Food Programme
- U.01.06 - United Nations Spezialized Agencies
- Comprehensive Nuclear Test Ban Treaty Organization
- Food and Agriculture Organization
- General Agreement on Tariffs and Trade
- International Atomic Energy Agency
- International Bank for Reconstruction and Development
- International Centre for Settlement of Investment Disputes
- International Civil Aviation Organization
- International Development Association (Washington/D.C.)
- International Finance Corporation (Washington/D.C.)
- International Fund for Agricultural Development
- International Labour Organization
- International Maritime Organization
- International Monetary Fund
- International Telecommunication Union
- Multilateral Investment Guarantee Agency
- Organization for the Prohibition of Chemical Weapons
- United Nations Educational, Scientific and Cultural Organization
- United Nations Industrial Development Organization
- United Nations Specialized Agencies
- Universal Postal Union
- World Health Organization
- World Intellectual Property Organization
- World Meteorological Organization
- World Trade Organization
- U.01.07 - United Nations Research and Training Institutes
- International Research and Training Institute for the Advancement of Women
- United Nations Institute for Disarmament Research (Geneva)
- United Nations Institute for Training and Research (Geneva)
- United Nations Interregional Crime and Justice Research Institute (Rome)
- United Nations Research Institute for Social Development (Geneva)
- U.01.08 - Other United Nations entities
- Intergovernmental Panel on Climate Change
- United Nations Disaster Relief Coordinator
- United Nations High Commissioner for Human Rights
- United Nations International Law Commission
- United Nations University (Tokyo)
- U.02 - Global international organizations (except United Nations) top
- U.02.01 - OECD and subordinated organizations
- International Energy Agency
- Nuclear Energy Agency
- OECD Council
- OECD Development Assistance Committee
- OECD Development Centre
- OECD Secretariat
- Organisation for Economic Co-operation and Development
- U.02.02 - Global international governmental organizations (except UN and OECD)
- Bank for International Settlements
- Commonwealth of Nations
- Coordinating Committee on Multilateral Export Controls
- Group of Five
- Group of Seven/Group of Eight
- Group of Seventy-Seven
- Group of Ten
- Group of Thirty
- Group of Twenty
- Group of Twenty-Four (Third World)
- Institute of International Finance
- Inter-Parliamentary Union
- International Criminal Court
- International Criminal Police Organization
- International Institute of Communications
- International Whaling Commission
- Organization of Arab Petroleum Exporting Countries
- Organization of the Petroleum Exporting Countries
- U.02.03 - Global nongovernmental organizations
- Afro-Asian Organization for Economic Cooperation
- Afro-Asian Peoples' Solidarity Organization
- Amnesty International
- Bureau International des Médecins sans Frontières
- Carnegie Endowment for International Peace
- Christian Democratic International
- Greenpeace International
- Human Rights Watch (New York/N.Y.)
- International Air Transport Association
- International Chamber of Commerce
- International Commission of Jurists
- International Committee of Red Cross Organizations
- International Democratic Union
- International Federation for Information and Documentation
- International Federation of Human Rights Leagues
- International Federation of Library Associations and Institutions
- International Institute for Strategic Studies (London)
- International League for Human Rights
- International Liberal Union
- International Olympic Committee
- International PEN
- International Political Science Association
- International Press Institute
- International Studies Association
- International Trade Union Confederation
- Organization of Solidarity of the Peoples of Africa, Asia and Latin America
- Pugwash Conference on Science and World Affairs
- Socialist International
- World Council of Churches
- World Food Council
- World Jewish Congress
- World Wide Fund for Nature
- Worldwatch Institute
- U.02.04 - Former global organizations
- Communist International
- League of Nations
- League of Nations Assembly
- League of Nations Council
- Permanent Court of International Justice (League of Nations)
- Union Française
- World Federation of Trade Unions
- World Peace Council
- U.03 - European Union/European Communities top
- U.03.01 - European Union/European Communities, general
- Common Agricultural Policy (EU/EC)
- Common Foreign and Security Policy (EU)
- Common Security and Defence Policy (EU)
- Common Social Policy (EU)
- Cooperation in the field of Justice and Home Policy (EU)
- European Atomic Energy Community
- European Coal and Steel Community
- European Communities
- European Council
- European Economic Community
- European Neighbourhood Policy (EU)
- European Political Cooperation (EC)
- European Union
- U.03.02 - European Union institutions
- Cohesion Fund (EU)
- Committee of the Regions (European Union)
- Council of the European Union
- EU Military Committee
- EU Military Staff
- EU Political and Security Committee
- European Agricultural Fund for Rural Development (EU)
- European Agricultural Guarantee Fund (EU)
- European Central Bank
- European Commission
- European Council
- European Court of Auditors
- European Court of Justice
- European Development Fund (EU/EC)
- European Economic and Social Committee
- European External Action Service
- European Investment Bank
- European Parliament
- European Regional Development Fund (EU/EC)
- European Social Fund (EU/EC)
- European Union
- European Union Institute for Security Studies (Paris)
- European Union Solidarity Fund
- European University Institute (Florence)
- High Representative of the Union for Foreign Affairs and Security Policy (EU)
- Presidency of the Council of the European Union
- President of the European Commission
- President of the European Council
- Secretary General and High Representative (EU/Council)
- Structural Funds (EU)
- U.03.03 - European Communities institutions
- Commission of the European Communities
- Council of the European Communities
- Court of Auditors of the European Communities
- Court of Justice of the European Communities
- European Council
- European Economic and Social Committee
- European Investment Bank
- European Parliament
- European University Institute (Florence)
- U.03.04 - WEU
- Eurocorps
- WEU Assembly
- WEU Consultation Forum
- WEU Council
- WEU Planning Cell
- WEU Secretariat General
- WEU Secretary General
- Western European Union
- U.04 - European international governmental organizations (except EU/EC) top
- U.04.01 - Council of Europe
- Committee of Ministers of the Council of Europe
- Council of Europe
- European Commission of Human Rights
- European Court of Human Rights
- Parliamentary Assembly of the Council of Europe
- Secretary General of the Council of Europe
- U.04.02 - NATO
- Euro-Atlantic Partnership Council
- Mediterranean Cooperation Group (NATO)
- NATO Allied Command Operations
- NATO Allied Command Transformation
- NATO Civilian Organization
- NATO Commander Allied Joint Force Command Brunssum
- NATO Commander Allied Joint Force Command Naples
- NATO Defence Planning Committee
- NATO Eurogroup
- NATO International Secretariat
- NATO Military Commands
- NATO Military Committee
- NATO Military Organization
- NATO Nuclear Planning Group
- NATO Secretary General
- NATO Supreme Allied Commander Europe
- NATO Supreme Allied Commander Transformation
- NATO-Russia Council
- NATO-Ukraine Commission
- North Atlantic Assembly
- North Atlantic Cooperation Council
- North Atlantic Council
- North Atlantic Treaty Organization
- Partnership for Peace (NATO)
- U.04.03 - OSCE/CSCE
- Conference on Security and Co-operation in Europe
- OSCE Chairman-in-Office
- OSCE Conciliation and Arbitration Court
- OSCE Conflict Prevention Centre
- OSCE Consultative Committee
- OSCE Economic Forum
- OSCE Forum for Security Co-operation
- OSCE High Commissioner for National Minorities
- OSCE Ministerial Council
- OSCE Office for Democratic Institutions and Humans Rights
- OSCE Parliamentary Assembly
- OSCE Permanent Council
- OSCE Secretariat
- OSCE Secretariat of the Conflict Prevention Centre
- OSCE Secretary General
- OSCE Senior Council
- OSCE Special Committee
- Organization for Security and Cooperation in Europe
- U.04.04 - Other European international governmental organizations
- Central European Initiative
- Council of the Baltic Sea States
- Economic Commission for Europe
- Eurasian Economic Community
- European Bank for Reconstruction and Development
- European Free Trade Association
- European Organization for Nuclear Research
- European Space Agency
- Nordisk Råd
- Organization of the Black Sea Economic Cooperation
- Union Economique Bénélux
- Union for the Mediterranean
- Visegrad countries
- U.04.05 - Former European international organizations
- Internationale Bank für Wirtschaftliche Zusammenarbeit
- Internationale Investitionsbank (Moskau)
- Rat für gegenseitige Wirtschaftshilfe
- Warschauer Vertragsorganisation
- U.05 - African international governmental organizations top
- African Commission on Human and Peoples' Rights
- African Development Bank (Abidjan)
- African Economic Community
- African Union
- Assembly of the Union (African Union)
- Commission of the African Union
- Committee of Permanent Representatives (African Union)
- Common Market for Eastern and Southern Africa
- Communauté Economique de l'Afrique de l'Ouest
- Communauté Economique et Monétaire de l'Afrique Centrale
- Communauté des Etats Sahélo-Sahariens
- Conseil de l'Entente
- Court of Justice (African Union)
- East African Community
- Economic Commission for Africa
- Economic Community of West African States
- Economic, Social and Cultural Council (African Union)
- Executive Council of the African Union
- League of Arab States
- New Partnership for Africa's Development
- OAU Assembly of Heads of State and Government
- OAU Council of Foreign Ministers
- OAU Secretariat
- Organisation pour la Mise en Valeur du Fleuve Sénégal
- Organization of African Unity
- Pan-African Parliament (African Union)
- Southern African Development Community
- Union Monétaire de l'Afrique Equatoriale
- Union du Maghreb Arabe
- West African Economic and Monetary Union
- U.06 - Near and Middle East/North African international governmental organizations top
- Arab Bank for Economic Development in Africa (Khartoum)
- Arab Fund for Economic and Social Development
- Arab Monetary Fund
- Cooperation Council for the Arab States of the Gulf
- Council of Arab Economic Unity
- Council of the League of Arab States
- Economic and Social Commission for Western Asia
- Islamic Development Bank
- League of Arab States
- Organization of Arab Petroleum Exporting Countries
- Organization of the Islamic Conference
- Palestine Liberation Organization
- Palestine National Council
- Secretariat General of the League of Arab States
- Secretary General of the League of Arab States
- Union du Maghreb Arabe
- Union for the Mediterranean
- U.07 - Asian and Pacific international governmental organizations top
- ANZUS Council
- ASEAN Meetings of Heads of State and Government
- ASEAN Ministerial Meetings
- ASEAN Regional Forum
- ASEAN Secretariat
- ASEAN Secretary General
- Asia-Pacific Economic Cooperation
- Asian Development Bank (Manila)
- Asian and Pacific Council
- Association of Southeast Asian Nations
- Colombo Plan Council for Cooperative Economic and Social Development in Asia and the Pacific
- Economic Cooperation Organization
- Economic and Social Commission for Asia and the Pacific
- Eurasian Economic Community
- Pacific Community
- Pacific Islands Forum
- Shanghai Cooperation Organization
- South Asian Association for Regional Cooperation
- South East Asia Treaty Organization
- U.08 - American international governmental organizations top
- Asociación Latinoamericana de Integración
- Asociación de Estados del Caribe
- Banco Centroamericano de Integración Económica (Tegucigalpa)
- Caribbean Community
- Caribbean Development Bank (St. Michael)
- Caribbean Free Trade Area
- Comunidad Andina
- Corporación Andina de Fomento
- Corte Centroamericana de Justicia
- Economic Commission for Latin America and the Caribbean
- Free Trade Area of the Americas
- Instituto para la Integración de América Latina y el Caribe (Buenos Aires)
- Inter-American Commission on Human Rights
- Inter-American Council for Integral Development
- Inter-American Court of Human Rights
- Inter-American Development Bank
- Mercado Común Centroamericano
- Mercado Común del Sur
- North American Free Trade Area
- OAS Meetings of Consultation of Ministers of Foreign Affairs
- OAS Permanent Council
- Organización Latinoamericana de Energía
- Organization of American States
- Organization of American States General Assembly
- Organization of American States Secretariat General
- Organization of Eastern Caribbean States
- Parlamento Centroamericano
- Sistema Económico Latinoamericano
- Sistema de la Integración Centroamericana
- Unión de Naciones Suramericanas