International Organizations

Last modified: 2025-09-13 by zachary harden
Keywords: international organizations |
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• UN Organizations
• Other International Organizations
• Multi-national Flags
• Regional Organizations
  • Europe
  • Americas
  • Africa
  • Asia
  • North Africa & Middle East
  • Oceania
  • Arctic & Antarctic

• International Sports Organizations
• International Commercial Organizations

UN Organizations

• United Nations
• UN Organizations and Affiliated organizations
  • UNCTAD - UN Conference on Trade And Development
  • UNESCO UN Educational, Scientific and Cultural Organization
  • UNICEF UN Children's Fund
  • FAO - Food and Agricultural Organization
  • Habitat, the United Nations Centre for Human Settlements
  • IAEA - International Atomic Energy Agency
  • IBRD - International Bank for Reconstruction and Development
  • ICAO - International Civil Aviation Organization
  • ICC - International Criminal Court
  • ICJ - International Court of Justice
  • IDA - International Development Association
  • IFC - International Finance Corporation
  • IFAD - International Fund for Agricultural Development
  • ILO - International Labour Organization
  • IHO - International Hydrographic Organization
  • IMO - International Maritime Organization
  • IMF - International Monetary Fund
  • IYY - International Youth Year
  • Interparliamentary Union
  • ITU - International Telecommunications Union
  • International Tribunal for the Law of the Sea (ITLOS)
  • Permanent Court of Arbitration, The Hague
  • UNDP - UN Development Program
  • UNCSD - United Nations Commission for Social Development
  • UNEP - United Nations Environment Program
  • United Nations International Research and Training Institute for the Advancement of Women
  • UNHCR The UN Refugee Agency
  • UNIDO - UN Industrial Development Organization
  • United Nations Relief and Works Agency for Palestine Refugees in the Near East (UNRWA)
  • United Nations Volunteers
  • UPU - Universal Postal Union
  • World Bank
  • WFP - World Food Program
  • WHO - World Health Organization
  • WIPO - World Intellectual Property Organization
  • WMO - World Meteorological Organization
  • UN Tourism
  • WTO - World Trade Organization
  • United Nations Volunteers
  • Academic Council of the United Nations

Other International Organizations

• ACP - African, Caribbean and Pacific Group of States (Lomé Convention)
• AIESEC
• Amnesty International
• Anti-Coronavirus Flag
• Anti-Personnel Mine Ban Convention
• APEC - Asia-Pacific Economic Cooperation
• APIMONDIA - International Federation of Beekeepers' Associations
• ARRL - American Radio Relay League
• ATTAC - Association pour une Taxation des Transactions financiéres pour l'Aide aux Citoyens
• Asian-African Legal Consultative Organization
• Autistan Diplomatic Organization
• Blue Flag program (Beach Quality)
• BRICS
• Bureau International des Expositions - BIE (World's Fairs)
• Catboat Association
• Center for Global Nonkilling (CGNK)
• Center for Regional Cooperation for Adult Education in Latin America and the Caribbean (CREFAL)
• Centro Latinoamericano de Administración para el Desarrollo (CLAD)
• Cittaslow
• Commonwealth of Nations
• Commonwealth Parliamentary Association
• Community of Portuguese-Speaking Countries (CPLP)
• Companion Flag Organization
• Comprehensive Nuclear-Test-Ban Treaty Organization (CTBTO)
• D-8 Organization for Economic Cooperation
• Diplomatic Mission Peace and Prosperity
• Disability flag
• Divers Alert Network
• Doctors Without Borders
• Dutch Language Union
• Euclid University
• Eurasian Economic Community (Eurasec)
• Eurasian Patent Organization
• Euro-Atlantic Partnership Council
• European Organisation for the Safety of Air Navigation (EUROCONTROL)
• Explorers Club
• Extinction Rebellion
• Fédération Internationale de l'Automobile
• Fédération Internationale Féline
• Financial Stability Board
• Fisheries Inspections Ensigns
• Foundation for Environmental Education (FEE)
• Four H Clubs
• Francophonie - the organization of French-speaking countries
• G77 Trade Information Network
• Geneva Convention Protocol Flags
• Global Green Growth Institute
• Global U8 Consortium
• Global Young Greens
• Green Flag - Eco Schools campaign
• Group of Seven (G7)
• The Hague Conference on Private International Law - HCCH
• The Hague Institute for Global Justice
• Hostelling International (formerly IYHF)
• Institute of Electrical and Electronics Engineers - IEEE
• Intergovernmental Bureau for Informatics - IBI
• Intergovernmental Renewable Energy Organization - IREO
• Intergovernmental Organization for Sustainable Development - IOSD
• International Academy of Astronautics- IAA
• International Association of Public Transport
• International Association of Science Parks - IASP
• International Astronautical Federation - IAF
• International Astronomical Union - IAU
• International Association of Civil Aviation Chaplains
• International Bamboo and Rattan Organisation
• International Chamber of Commerce
• International Children's Day
• International Civil Defence Organization
• International Committee of the Red Cross
• International Co-operative Alliance
• International Council of Organizations of Folklore Festivals and Folk Art - CIOFF
• International Council of Yacht Clubs
• International Cyber Policing Organization - CYBERPOL
• International Democrat Union
• International Development Law Organization - IDLO
• International Energy Conservation Environmental Protection Association - IEEPA
• International Energy Agency - IEA
• International Energy Forum
• International Federation of Body Builders
• International Federation of Competitive Eating
• International Federation of Red Cross and Red Crescent Societies
• International Gastronomy Flag
• International Life Saving Federation
• International Migrants Alliance
• International Mobile Satellite Organization (formerly Inmarsat) - IMSO
• International Olive Council
• International Order of the Blue Gavel
• International Orders Union
• International Organization of Tax Administrations
• International Organization of Employers
• International Organization for Migration (IOM)
• International Organization of Motor Vehicle Manufacturers (OICA)
• International Organization of Vine and Wine - OIV
• International Police Association
• International Railwaymen’s Sport Union
• International Renewable Energy Agency - IRENA
• International Road Transport Union - IRU
• International Rice Research Institute - IRRI
• International Seabed Authority
• International Social Security Association (ISSA)
• International Solar Alliance
• International Space Station
• International Standards Organization (ISO)
• International Telecommunications Satellite Organization (formerly Intelsat) - ITSO
• International Trade Union Confederation - ITUC
• International Union for Conservation of Nature - IUCN
• International Union of Notaries
• International Union of Socialist Youth
• International Union of Students
• International Yoga Federation
• International Youth Hostel Federation (IYHF) see: Hostelling International
• Interpol
• Intersputnik
• Irish-American Partnership
• ISAF - International Security Assistance Force (NATO)
• ITER
• Joshua Slocum Society
• Kiwanis International
• La Vía Campesina
• League of Nations
  • International Military Commission
  • Leticia Commission
  • Straits Commission
• Liber
• Lions International
• Lions International Stamp Club
• Médecins Sans Frontières
• Mission to Seafarers
• Mobile World Congress
• National School Public Relations Association
• NATO - North Atlantic Treaty Organization
• New Physiocratic League
• Non-Aligned Movement
• Nonkilling Communities flag
• Ocean Clean-up Project
• Ocean Cruising Club
• Office of the High Representative and European Union Special Representative
• OISA - Organization of Islamic Shipowners Association
• Organization for Economic Cooperation and Development (OECD)
• Organisation for the Prohibition of Chemical Weapons
• Organization of Islamic Cooperation
• OPEC - Organization of Petroleum Exporting Countries
• OPEC Fund for International Development (OFID)
• Organization of World Heritage Cities
• OSCE - Organization for Security and Co-operation in Europe
• Organización Iberoamericana de Seguridad Social
• Parliamentarians for Global Action
• Postal Union of the Americas, Spain and Portugal - UPAEP
• Ramsar Convention
• Red Cross- Red Crescent
• Richard III Society
• Rotary International
• Royal Commonwealth Society
• Sea Shepherd Conservation Society
• Seaside Award program
• Shriners International
• Sister Cities International
• SOS Children's Villages
• St. John Ambulance
• Society of Petroleum Engineers
• South Atlantic Peace and Cooperation Zone
• Surgical Eye Expeditions International (SEE)
• Technical Centre for Agricultural and Rural Cooperation ACP-EU (CTA)
• Transport Corridor Europe-Caucasus-Asia (TRACECA)
• Union Internationale Contre le Cancer (UICC)
• Unrepresented Nations and Peoples Organization 
• UPAEP  - Postal Union of the Americas, Spain and Portugal
• World against Violence and Extremism - WAVE
• World Anti-Doping Agency (WADA)
• World Association of Girl Guides and Girl Scouts
• World Border Organization - BORDERPOL
• World Canals Conference 2010
• World Council of Churches
• World Customs Organization
• World Economic Forum (WEF)
• World Federation of Democratic Youth
• World Federation of Trade Unions
• World Health Organization
• World Jewish Congress
• World Organisation for Animal Health
• World Organization of the Scouting Movement
• World Red Cross and Red Crescent Day
• World Service Authority
• World Peace Association: Brotherhood Flag
• World Slavic Congress (WSC)
• World Trade Centers Association
• World Zionist Organization
• World's Fairs

Multi-national Flags

• Allied Standard (WW1)
• Amphicar
• Apollo-Soyuz Test Project
• Children's International Summer Villages (CISV)
• Flag for the Deaf
• Interkosmos
• Union of Portuguese Language Capital Cities
• World Diabetes Day
• Turkey Ukraine Romania Crimea International Business People Association
• Turkish Ukrainian Business Association
• Turkish-Ukrainian Union of Industrialists and Businessmen
• Vegan Flag
• Other international flags

Regional Organizations

• Europe
  • Adriatic Euroregion
  • Adriatic and Ionian Initiative
  • Alliance of European Republican Movements
  • Alps-Adriatic Working Community
  • Asia–Europe Meeting (ASEM)
  • Assembly of European Regions
  • Association of European Market Research Institutes
  • Baltic Assembly
  • Black Sea Economic Cooperation
    • Parliamentary Assembly of the Black Sea Economic Cooperation
  • Black Sea Trade and Development Bank - BSTDB
  • Blackseafor (Black Sea Naval Cooperation Task Group)
  • Blue Flag (Beach Quality)
  • CEFTA - Central European Free Trade Association
  • Central European Initiative (CEI)
  • Central European Nations Co-operation in Peace Support - CENCOOP
  • CIS - Commonwealth of Independent States
  • Collective Security Treaty Organization
  • COMECON
  • Council of the Baltic Sea States
  • Council of Europe
  • Eurasian Economic Community
  • European Air Transport Command
  • Eurasian Economic Union
  • Euro-Asian Youth Union
  • European Union (EU)
  • Eurocorps
  • European Association of Zoos and Aquaria
  • European Bank for Reconstruction and Development
  • European Centre for Information Policy and Security - ECIPS
  • European Coal and Steel Community
  • European Free Trade Association
  • Eurometropolis Lille–Kortrijk–Tournai
  • Eurometropolis Strasbourg-Ortenau
  • European Movement
  • European Organisation for the Exploitation of Meteorological Satellites - EUMETSAT
  • European Organization for Nuclear Research - CERN
  • European Public Law Organization
  • European River Commissions
    • Danube Commission
    • Central Commission for Navigation on the Rhine
    • International Scheldt Commission
    • International Sava River Basin Commission
    • Mosel Commission
  • European Stork City Organisation - ESCO
  • European Southern Observatory
  • European Space Agency
  • European Wind Energy Association - EWEA
  • Five Plus Five Summit
  • Institute of European Democrats - IED
  • Initiative of Communist and Workers' Parties
  • International Centre for Black Sea Studies - ICBSS
  • Liaison Committee of Social Military Organisations - CLIMS
  • Lithuanian-Polish-Ukrainian Brigade
  • Meuse-Rhine Euregio
  • Multinational Land Force (MLF)
  • North Atlantic Treaty Organization - NATO
    • NATO Parliamentary Assembly
  • Nordic Council
  • Non-Intervention Committee
  • Organization for Democracy and Economic Development - GUAM
  • Organisation for Joint Armament Cooperation - OCCAR
  • OSCE - Organization for Security and Co-operation in Europe
    • OSCE Parliamentary Assembly
  • Office for Democratic Institutions and Human Rights
  • Paneuropa Union
  • Panceltic flag
  • Pelagos Sanctuary
  • Pyrenees–Mediterranean Euroregion
  • Slavic Union
  • Straits Commission
  • Southeast European Cooperative Initiative - SECI
  • Three Seas Initiative
  • The European International Model United Nations (TEIMUN)
  • Union for the Mediterranean
    • Parliamentary Assembly of the Mediterranean
  • Warsaw Pact
  • WEU - Western European Union
  • Yenish People
• Americas
  • Agency for the Prohibition of Nuclear Weapons in Latin America and the Caribbean - OPANAL
  • Amazon Cooperation Treaty Organization
  • American Police Community - Ameripol
  • ANDEAN Community
  • Asociación Latinoamerica de Integración - ALADI
  • Association of Caribbean States
  • Banco Centroamericano de Integración Económica - BCIE
  • Bolivarian Alliance for the Peoples of Our America
  • Caribbean Court of Justice
  • Caribbean Development Bank
  • Caribbean Peoples' Flag
  • Caribbean Community and Common Market - CARICOM
  • Central American Armed Forces Conference - CFAC
  • Central American Parliament
  • Community of Latin American and Caribbean States
  • Confederação Internacional da Tradição Gaúcha
  • Conference of American Armies (CAA-CEA)
  • Coordinator of Indigenous Organizations of the Amazon River Basin (COICA)
  • Flag of the Race
  • Fund for the Development of the Indigenous Peoples of Latin America and the Caribbean
  • Instituto Centroamericano de Administración Pública
  • Latin America and the Caribbean Summit
  • Latin American and Caribbean Community of Police Intelligence - CLACIP
  • Inter-American Defense Board (Junta Interamericana de Defensa)
  • Inter-American Defense College
  • Inter American Development Bank - IADB
  • International Joint Commission
  • International Organization of Creole People
  • International Regional Organism for Plant and Animal Health
  • Latin-American Parliament
  • Latin American Energy Organization - OLADE
  • Marine Forces Unitas
  • MERCOSUR/MERCOSUL (Southern Common Market)
  • Mercosur Parliament
  • Movimiento Veganista Emergente
  • North American Free Trade Area (NAFTA)
  • OPANAL - Agency for the Prohibition of Nuclear Weapons in Latin America and the Caribbean
  • Organización de Estados Iberoamericanos para la Educación la Ciencia y la Cultura (OEI)
  • Organization of American States - OAS
    Pan American Union
  • Organization of Central American States - ODECA
  • Organización Continental de Excelencia Educativa
  • Organization of Eastern Caribbean States - OECS
  • Pacific Alliance - Alianza del Pacífico
  • Pan American Health Organization - PAHO
  • Parlamento Amazónico
  • Parlamento Andino
  • Permanent Conference of Political Parties of Latin America and the Caribbean (COPPPAL)
  • Private Sector of the Americas
  • Rio Group
  • Sistema Económico Latinoamericano y del Caribe
  • Secretariat for Central American Economic Integration - SIECA
  • Sistema de Cooperación entre las Fuertzas Aéreas Americanas - SICOFAA
  • South American Defense Council
  • South American Union - UNASUR
  • Southern Common Market - MERCOSUR / MERCOSUL
  • Summits of the Americas / Cumbre de las Américas
  • Unión de Naciones Suramericanas - UNASUR
  • Union of Ibero-American Capital Cities - UCCI
  • Unión Latinoamericana
  • Unión de Universidades de América Latina y el Caribe
  • Yacht Racing Union of the Great Lakes
• Africa
  • African Airlines Association - AFRAA
  • African Development Bank
  • African Petroleum Producers' Association - APPA
  • African Union
  • Alliance of the Sahel States
  • Central African Multinational Force - FOMAC
  • Common Market for Eastern & Southern Africa - COMESA
  • Community of Sahelo-Saharan States (Communauté des Etats Sahélo-Sahariens - CEN-SAD)
  • East African Community
  • Economic and Monetary Community of Central Africa - CEMAC
  • Economic Community of West African States - ECOWAS
  • Economic Community of Central African States - ECCAS
  • Federation of Free States of Africa
  • Five Plus Five Summit
  • G5 Sahel
  • Indian Ocean Commission
  • Inter-banking Monetary Group of UEMOA
  • Intergovernmental Authority on Development (formerly Drought and Development)
  • Lake Chad Basin Commission
  • Organization of African Unity - OAU
  • Pan-African Parliament
  • Panafrican Telephone Union - PATU
  • South African Development Community - SADC
  • Southern African Regional Police Chief Council Organisation - SARPCCO
  • Union Africaine et Malgache
  • Union économique et monétaire Ouest africaine (West African Monetary and Economic Union) - UEOMA
  • Union of African States (1958-1962)
  • Union of Arab Maghreb
  • West African Monetary and Economic Union - UEOMA
• Asia
  • ADB - Asian Development Bank
  • Asian Forest Cooperation Organization
  • APA- Asian Parliamentary Assembly
  • APEC - Asia-Pacific Economic Cooperation Council
  • ASEAN - Association of South-East Asian Nations
    • ASEANAPOL - Police Force of ASEAN
    • ASEAN-Japan Centre
    • ASEAN-Korea Centre
    • ASEAN Schools Sports Council (ASSC)
  • ASEM - Asia–Europe Meeting
  • Caucasus University Association - KUNIB
  • CENTO - Central Treaty Organization
  • Collective Security Treaty Organization
  • Colombo Plan
  • Conference on Interaction and Confidence Building Measures in Asia (CICA)
  • Organization of Turkic States (Turkic Council)
  • Eurasian Development Bank - EDB
  • Eurasian Economic Union
  • Euro-Asian Youth Union
  • International Organization of Turkic Culture (TÜRKSOY)
  • METO - Middle East Treaty Organization
  • Parliamentary Assembly of Turkic-speaking Countries (TÜRKPA)
  • SAARC - South Asian Association for Regional Cooperation
  • SEAMEO South-East Asian Ministries of Education Organization
  • SEATO - South East Asian Trade Organization
  • Shanghai Cooperation Organisation
  • Transport Corridor Europe-Caucasus-Asia (TRACECA)
  • Trilateral Cooperation Secretariat (TCS)
  • Turkic Council (Organization of Turkic States)
  • World Tamil Confederation
• North Africa & Middle East
  • African Petroleum Producers' Association - APPA
  • Arab European League
  • Arab Inter-Parliamentary Union
  • Arab League
  • Arab League Educational, Cultural and Scientific Organization - ALECSO
  • Arab Monetary Fund - AMF
  • Arab Satellite Communications Organization - ARABSAT
  • Arab States Broadcasting Union - ASBU
  • Arab Women Foundation
  • Community of Sahelo-Saharan States (Communauté des Etats Sahélo-Sahariens - CEN-SAD)
  • Council of Arab Economic Unity
  • Economic Cooperation Organization (ECO)
  • Federation of Arab Republics
  • Gulf Cooperation Council - GCC
  • IDB - Islamic Development Bank
  • ISESCO - Islamic World Educational, Scientific and Cultural Organization
  • Multinational Force and Observers (Sinai)
  • Multinational Force (Iraq)
  • Organization of Arab Petroleum Exporting Countries (OAPEC)
  • Union for the Mediterranean
• Oceania
  • Melanesian Spearhead Group
  • Melanesian Union
  • Pacific Aviation Safety Office
  • Pacific Community - formerly South Pacific Commission (SPC)
  • Pacific Games Council
  • Pacific Islands Chiefs of Police Forum
  • Pacific Islands Forum
  • Regional Assistance Mission to Solomon Islands - RAMSI
• Arctic & Antarctic
  • Arctic Council
  • Arctic Winter Games
  • Northern Forum
  • Antarctic Treaty Secretariat
  • International Polar Foundation