International Organisations and Treaties

Political Alliances

• Arab League
• Arab Maghreb Union
• Asia Cooperation Dialogue
• Association of Caribbean States
• Australia Group
• Central American Integration System
• Commonwealth of Independent States
• Commonwealth of Nations
• Community for Democracy and Rights of Nations
• Community of Latin American and Caribbean States
• Council of Europe
• Council of the Baltic Sea States
• Group of 15
• Group of 24
• Group of 77
• Gulf Cooperation Council
• Inter-Parliamentary Union
• International Institute for Democracy and Electoral Assistance
• Non-Aligned Movement
• Organization of American States
• Visegrád Group
• West Nordic Council
• Western European and Others Group

Regional Unions

• African Union
• Alliance of Sahel States
• Alliance of Small Island States
• Andean Community
• Antarctic Treaty Secretariat
• Assembly of European Regions
• Caribbean Community
• Central American Parliament
• Colombo Plan
• Conseil de l'Entente
• European Union
• Inter-American Defense Board
• Liptako-Gourma Authority
• Mekong-Ganga Cooperation
• Melanesian Spearhead Group
• Nordic Council
• Organisation of Eastern Caribbean States
• Pacific Community
• Pacific Islands Forum
• Parliamentary Union of the OIC Member States
• Shanghai Cooperation Organisation
• South Asian Association for Regional Cooperation
• Union for the Mediterranean
• Union State of Russia and Belarus

Military alliances/Arms control

• Arms Trade Treaty
• Australia, New Zealand, United States Security Treaty
• Collective Security Treaty Organization
• Comprehensive Nuclear-Test-Ban Treaty Organization
• Conference on Disarmament
• European Atomic Energy Community
• GUAM Organization for Democracy and Economic Development
• Inter-American Treaty of Reciprocal Assistance
• Missile Technology Control Regime
• New Agenda Coalition
• Non-Proliferation and Disarmament Initiative
• North Atlantic Treaty Organization
• Nuclear Suppliers Group
• Organisation for Joint Armament Cooperation
• Organisation for the Prohibition of Chemical Weapons
• Organization for Security and Co-operation in Europe
• South Atlantic Peace and Cooperation Zone
• System of Cooperation Among the American Air Forces
• Wassenaar Arrangement

Law enforcement

• European Gendarmerie Force
• International Court of Justice
• International Criminal Court
• International Criminal Police Organization
• International Development Law Organization

Business Alliances

• African, Caribbean and Pacific Group of States
• Bay of Bengal Initiative for Multi-Sectoral Technical and Economic Cooperation
• Benelux Union
• BRICS Countries
• Community of Sahel–Saharan States
• Council of Arab Economic Unity
• East African Community
• East Asia Summit
• Economic Community of West African States
• Economic Cooperation Organization
• Eurasian Economic Union
• Gas Exporting Countries Forum
• International Cocoa Organization
• Korean Peninsula Energy Development Organization
• Mano River Union
• Nuclear Energy Agency
• Organisation for Economic Co-operation and Development
• Organization of the Black Sea Economic Cooperation
• Organization of the Petroleum Exporting Countries
• Trilateral Cooperation Secretariat
• United Nations Industrial Development Organization
• World Intellectual Property Organization

Fishery

• Asia-Pacific Fishery Commission
• Great Lakes Fishery Commission
• Indian Ocean Tuna Commission
• Indian-Ocean Rim Association
• Inter-American Tropical Tuna Commission
• International Commission for the Conservation of Atlantic Tunas
• International Whaling Commission
• North Atlantic Salmon Conservation Organization
• North East Atlantic Fisheries Commission
• Northwest Atlantic Fisheries Organization
• Pacific Salmon Commission
• Southeast Asian Fisheries Development Center
• Western and Central Pacific Fisheries Commission

Financial

• African Development Bank
• Asian Development Bank
• Asian Infrastructure Investment Bank
• Bank for International Settlements
• Black Sea Trade and Development Bank
• Caribbean Development Bank
• Central American Bank for Economic Integration
• Council of Europe Development Bank
• Eurasian Development Bank
• European Bank for Reconstruction and Development
• Inter-American Development Bank
• International Fund for Agricultural Development
• International Monetary Fund
• Islamic Development Bank
• New Development Bank
• Nordic Development Fund
• Nordic Investment Bank
• OPEC Fund for International Development
• West African Development Bank
• World Bank

Free Trade Area, Internal Market

• Agadir Agreement
• ASEAN Free Trade Area
• Asia-Pacific Economic Cooperation
• Bolivarian Alliance for the Peoples of Our America
• Central America Free Trade Agreement - Dominican Republic
• Common Market for Eastern and Southern Africa
• Economic and Monetary Community of Central Africa
• Economic Community of Central African States
• Eurasian Economic Community
• European Free Trade Association
• European Union Customs Union
• Free Trade Area of the Americas
• Intergovernmental Authority on Development
• Pacific Alliance
• Regional Comprehensive Economic Partnership
• Southern African Customs Union
• Southern African Development Community
• Southern Common Market
• Union of South American Nations
• United Nations Conference on Trade and Development
• West African Economic and Monetary Union
• West African Monetary Zone
• World Trade Organization

Technical alliances

• African Energy Commission
• Energy Community
• Energy Charter Treaty
• European Court of Auditors
• European Organization of Supreme Audit Institutions 
• European Patent Organisation
• International Atomic Energy Agency
• International Bureau of Weights and Measures
• International Energy Agency
• International Energy Forum
• International Hydrographic Organization
• International Network for Bamboo and Rattan
• International Organization for Standardization
• International Seabed Authority
• International Telecommunication Union
• Niger Basin Authority
• Organización Latinoamericana de Energía
• Technical Centre for Agricultural and Rural Cooperation ACP-EU
• United Nations International Strategy for Disaster Reduction
• Universal Postal Union
• World Association of Nuclear Operators
• World Organisation for Animal Health
• World Tourism Organization

Environment

• Baltic Marine Environment Protection Commission
• Convention for the Conservation of Antarctic Marine Living Resources
• Pacific Regional Environment Programme
• Partnerships in Environmental Management for the Seas of East Asia

Transport

• Central Commission for Navigation on the Rhine
• European Organisation for the Safety of Air Navigation
• Intergovernmental Organisation for International Carriage by Rail
• International Civil Aviation Organization
• International Maritime Organization
• Mekong River Commission
• Organization for Cooperation of Railways
• Transport Corridor Europe-Caucasus-Asia

Cientific

• Eiroforum
• EUREKA
• EUROfusion
• European Centre for Medium-Range Weather Forecasts
• European Cooperation in Science and Technology
• European Molecular Biology Laboratory
• European Organisation for the Exploitation of Meteorological Satellites
• European Organization for Nuclear Research
• European Science Foundation
• European Southern Observatory
• European Space Agency
• European Synchrotron Radiation Facility
• European X-ray free-electron laser
• Institut Laue-Langevin
• Inter-American Commission on Human Rights
• International Council for the Exploration of the Sea
• International Institute for Applied Systems Analysis
• Synchrotron-Light for Experimental Science and Applications in the Middle East
• World Meteorological Organization

Humanitarian Unions

• Arctic Council
• Food and Agriculture Organization
• International Centre for Migration Policy Development
• International Commission on Civil Status
• International Committee of the Red Cross
• International Labour Organization
• International Organization for Migration
• Northern Dimension Partnership in Public Health and Social Well-being
• Partners in Population and Development
• United Nations
• United Nations Children's Fund
• United Nations Development Programme
• United Nations Educational, Scientific and Cultural Organization
• United Nations High Commissioner for Refugees
• United Nations Office for Project Services
• United Nations Population Fund
• World Food Programme
• World Health Organization

Cultural Unions

• Asia-Europe Foundation
• Association of Southeast Asian Nations
• British-Irish Council
• Community of Portuguese Language Countries
• Indian Ocean Commission
• International Olympic Committee
• Latin Union
• Organisation internationale de la Francophonie
• Organisation of Islamic Cooperation
• Southeast Asian Ministers of Education Organization
• Turkic Council

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