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The following is a list of the major existing
intergovernmental organization An intergovernmental organization (IGO) is an organization composed primarily of sovereign states (referred to as ''member states''), or of other organizations through formal treaties for handling/serving common interests and governed by interna ...
s (IGOs). For a more complete listing, see the ''
Yearbook of International OrganizationsThe Yearbook of International Organizations is a reference work A reference work is a work such as a book A book is a medium for recording information Information can be thought of as the resolution of uncertainty; it answers the ques ...
'', which includes 25,000 international non-governmental organizations (INGOs), excluding for-profit enterprises, about 5,000 IGOs, and lists dormant and dead organizations as well as those in operation (figures as of the 400th edition, 2012/13). A 2020 academic dataset on international organizations included 561 intergovernmental organizations between 1815–2015; more than one-third of those IGOs ended up defunct.


United Nations and agencies

The UN has six principal organs: *The
General Assembly A general assembly or general meeting is a meeting of all the members of an organization or shareholders of a company. Specific examples of general assembly include: Churches * General Assembly (presbyterian church), the highest court of presbyt ...
(the main
deliberative assembly A deliberative assembly is a meeting of Collective, members who use parliamentary procedure. Etymology In a speech to the electorate at Bristol in 1774, Edmund Burke described the Parliament of Great Britain, British Parliament as a "deliberativ ...
); *The
Security Council The United Nations Security Council (UNSC) is one of the Organs of the United Nations, six principal organs of the United Nations (UN), charged with ensuring international security, international peace and security, recommending the admission ...

Security Council
(decides certain resolutions for peace and security); *The
Economic and Social Council
Economic and Social Council
(assists in promoting international economic and social cooperation and development); *The
Secretariat Secretariat may refer to: * Secretariat (administrative office) The secretariat of an organization is the department that fulfils its central administrative or general secretary duties. The term is especially associated with government ...
(provides studies, information, and facilities needed by the UN); *The
International Court of Justice The International Court of Justice (ICJ; french: Cour internationale de justice, links=no; ), sometimes known as the World Court, is one of the six principal organs of the United Nations The United Nations (UN) is an intergovernmenta ...

International Court of Justice
(the primary judicial organ). *The
United Nations Trusteeship Council The United Nations Trusteeship Council (french: Conseil de tutelle des Nations unies) is one of the six principal organs of the United Nations The United Nations (UN) is an intergovernmental organization aiming to maintain internation ...
(inactive) The UN also includes various Funds, Programmes and
specialized agencies United Nations Specialized Agencies are autonomous organizations working with the United Nations The United Nations (UN) is an intergovernmental organization that aims to maintain international peace and international security, security, d ...
: *
Food and Agriculture Organization The Food and Agriculture Organization of the United Nations (FAO)french: Organisation des Nations unies pour l'alimentation et l'agriculture; it, Organizzazione delle Nazioni Unite per l'Alimentazione e l'Agricoltura is a specialized agency ...
*
International Labour Organization The International Labour Organization (ILO) is a United Nations agency whose mandate is to advance social and economic justice through setting international labour standards. Founded in October 1919 under the League of Nations, it is the fir ...
*
International Civil Aviation Organization The International Civil Aviation Organization (ICAO) is a specialized and funding agency of the United Nations The United Nations (UN) is an intergovernmental organization that aims to maintain international peace and international s ...
*
International Maritime Organization The International Maritime Organization (IMO, French: ''Organisation Maritime Internationale''; known as the Inter-Governmental Maritime Consultative Organization until 1982) is a specialised agency of the United Nations United Nations Spec ...
*
International Telecommunication Union The International Telecommunication Union is a list of specialized agencies of the United Nations, specialized agency of the United Nations responsible for all matters related to information and communications technology, information and co ...

International Telecommunication Union
*
Joint United Nations Programme on HIV/AIDS The Joint United Nations The United Nations (UN) is an intergovernmental organization that aims to maintain international peace and international security, security, develop friendly relations among nations, achieve international cooper ...
*
United Nations Capital Development Fund The United Nations Capital Development Fund (UNCDF) The UN Capital Development Fund makes public and private finance work for the poor in the world's 46 least developed countries (LDCs). With its capital mandate and instruments, UNCDF offers “ ...
*
United Nations Human Rights Council The United Nations Human Rights Council (UNHRC), CDH is a United Nations The United Nations (UN) is an intergovernmental organization An intergovernmental organization (IGO) is an organization composed primarily of sovereign st ...
(UNHRC) *
United Nations International Children's Emergency Fund
United Nations International Children's Emergency Fund
(UNICEF) *
United Nations Development Programme The United Nations Development Programme (UNDP)french: Programme des Nations unies pour le développement, PNUD is a United Nations The United Nations (UN) is an intergovernmental organization that aims to maintain international peace ...
*
United Nations Educational, Scientific and Cultural Organization The United Nations Educational, Scientific and Cultural Organization (UNESCO french: Organisation des Nations unies pour l'éducation, la science et la culture) is a specialised agency of the United Nations The United Nations (UN) is an ...

United Nations Educational, Scientific and Cultural Organization
(UNESCO) *
United Nations Environment Programme The United Nations Environment Programme (UNEP) is responsible for coordinating responses to environmental issues within the United Nations system. It was established by Maurice Strong Maurice Frederick Strong, (April 29, 1929 – November 27, 20 ...
*
United Nations Human Settlements Programme The United Nations Human Settlements Programme (UN-Habitat) is the United Nations The United Nations (UN) is an intergovernmental organization that aims to maintain international peace and international security, security, develop friendly ...
*
United Nations Industrial Development Organization The United Nations Industrial Development Organization (UNIDO) (French/Spanish acronym: ONUDI) is a specialized agency United Nations Specialized Agencies are autonomous organizations working with the United Nations The United Nation ...
* United Nations Office for Disaster Risk Reduction (UNISDR) *
United Nations Office on Drugs and Crime The United Nations Office on Drugs and Crime (UNODC; French: ''Office des Nations unies contre la drogue et le crime'') is a United Nations The United Nations (UN) is an intergovernmental organization that aims to maintain international ...
*
Universal Postal Union The Universal Postal Union (UPU, french: Union postale universelle), established by the Treaty of Bern of 1874, is a specialized agency United Nations Specialized Agencies are autonomous organizations working with the United Nations ...
*
World Health Organization The World Health Organization (WHO) is a specialized agency of the United Nations United Nations Specialized Agencies are autonomous organizations working with the United Nations and each other through the co-ordinating machinery of the Unit ...
(WHO) *
World Intellectual Property Organization The World Intellectual Property Organization (WIPO; french: Organisation mondiale de la propriété intellectuelle (OMPI)) is one of the list of specialized agencies of the United Nations, 15 specialized agencies of the United Nations (UN). Pu ...
*
World Food Programme The World Food Programme; it, Programma alimentare mondiale; es, Programa Mundial de Alimentos; ar, برنامج الأغذية العالمي, translit=barnamaj al'aghdhiat alealami; russian: Всемирная продовольственн ...

World Food Programme
*
World Meteorological Organization The World Meteorological Organization (WMO) is a specialized agency United Nations Specialized Agencies are autonomous organizations working with the United Nations The United Nations (UN) is an intergovernmental organization that aims ...
*
World Tourism Organization The World Tourism Organization (UNWTO) is the United Nations The United Nations (UN) is an intergovernmental organization that aims to maintain international peace and international security, security, develop friendly relations among n ...
*The UN maintains various offices: **
United Nations Headquarters The United Nations is Headquarters, headquartered in New York City in a complex designed by a board of architects led by Wallace Harrison and built by the architectural firm Harrison & Abramovitz. The complex has served as the official headquarter ...
(
New York City New York, often called New York City to distinguish it from New York State New York is a state State may refer to: Arts, entertainment, and media Literature * ''State Magazine'', a monthly magazine published by the U.S. Department of ...

New York City
) **
United Nations Office at Geneva The United Nations Office at Geneva (UNOG) in Geneva Geneva ( ; french: Genève ; frp, Genèva ; german: link=no, Genf ; it, Ginevra ; rm, Genevra) is the List of cities in Switzerland, second-most populous city in Switzerland (after Z ...
**
United Nations Office at Nairobi United may refer to: Places * United, Pennsylvania United is located in Mount Pleasant Township, Westmoreland County, Pennsylvania. It is a community located near Norvelt, Pennsylvania. History In 1881, the United Coal Company, United Coal & Cok ...
**
United Nations Office at Vienna The United Nations Office at Vienna (UNOV) is one of the four major office sites of the United Nations The United Nations (UN) is an intergovernmental organization that aims to maintain international peace and international security, securi ...
The UN also includes subsidiary organs: *
International Criminal Tribunal for the former Yugoslavia The International Criminal Tribunal for the former Yugoslavia (ICTY) was a body of the United Nations The United Nations (UN) is an intergovernmental organization that aims to maintain international peace and international security, secu ...
(ICTY) *
International Criminal Tribunal for Rwanda International is an adjective (also used as a noun) meaning "between nations". International may also refer to: Music Albums * International (Kevin Michael album), ''International'' (Kevin Michael album), 2011 * International (New Order album), '' ...
(ICTR)


Agricultural research organizations

*
Africa Rice Center The Africa Rice Center (AfricaRice), formerly known as the West Africa Rice Development Association (WARDA), is a pan-African intergovernmental association and a CGIAR Research organization, currently headquartered in Abidjan, Côte d'Ivoire. Afr ...
(West Africa Rice Development Association, WARDA) *
Bioversity International Bioversity International is a global research-for-development organization that delivers scientific evidence, management practices and policy options to use and safeguard agricultural biodiversity Agricultural biodiversity is a sub-set of general ...
(International Plant Genetics Resources Institute, IPGRI) *
Center for International Forestry Research The Center for International Forestry Research (CIFOR) is a non-profit scientific research organization that conducts research on the use and management of forests with a focus on tropical forests in developing countries. CIFOR is the forestry re ...
(CIFOR) *
International Center for Tropical Agriculture The International Center for Tropical Agriculture (known as CIAT from its Spanish-language name ''Centro Internacional de Agricultura Tropical)'' is an international research and development organization dedicated to reducing poverty and hunger ...
(CIAT) *
International Center for Agricultural Research in the Dry Areas The International Center for Agriculture Research in the Dry Areas (ICARDA), a member of the CGIAR, supported by the CGIAR Fund, is a non-profit agricultural research institute that aims to improve the livelihoods of the resource-poor across th ...
(ICARDA) *
International Crops Research Institute for the Semi-Arid Tropics The International Crops Research Institute for the Semi-Arid Tropics (ICRISAT) is an international organization which conducts agricultural research for rural development, headquartered in Patancheru Patancheru is a located in north western end ...
(ICRISAT) *
International Food Policy Research Institute The International Food Policy Research Institute (IFPRI) is an international agricultural research center founded in the early 1970s to improve the understanding of national agricultural and food policies to promote the adoption of innovations in ...
(IFPRI) *
International Institute of Tropical Agriculture The International Institute of Tropical Agriculture (IITA) is a nonprofit organisation that works with partners to enhance crop quality and productivity, reduce producer and consumer risks, and generate wealth from agriculture, with the ultimate g ...
(IITA) *
International Livestock Research Institute The International Livestock Research Institute (ILRI) is an international agricultural research institute based in Nairobi Nairobi () is the Capital city, capital and the largest city of Kenya. The name comes from the Maasai language, Maasai ...
(ILRI) * International Maize and Wheat Improvement Center (CIMMYT) *
International Potato Center The International Potato Center (known as CIP from its Spanish language, Spanish-language name ''Centro Internacional de la Papa'') is a research facility based in Lima, Peru, that seeks to reduce poverty and achieve food security on a sustaine ...
(CIP) *
International Rice Research Institute The International Rice Research Institute (IRRI) is an international agricultural research Agricultural science is a broad multidisciplinary field of biology that encompasses the parts of exact, natural, economic and social sciences that ar ...
(IRRI) *
International Water Management Institute The International Water Management Institute (IWMI) is a non-profit international water management research organisation under the CGIAR with its headquarters in Colombo Colombo ( si, කොළඹ, translit=Kolamba, ; ta, கொழும ...
(IWMI) *
World Agroforestry Centre World Agroforestry (a brand name used by the International Centre for Research in Agroforestry, ICRAF) is an international institute headquartered in Nairobi, Kenya, and founded in 1978 as "International Council for Research in Agroforestry". Th ...
(International Centre for Research in Agroforestry, ICRAF) * WorldFish Center (International Center for Living Aquatic Resources Management, ICLARM) * World Vegetable Center


Fisheries organizations

* Asia-Pacific Fishery Commission (APFIC) * Commission for the Conservation of Antarctic Marine Living Resources (CCAMLR) * Great Lakes Fishery Commission (GLFC) *
Indian Ocean Tuna Commission , motto = , formation = , type = International organization , status = , purpose = Fisheries , headquarters = Victoria, Seychelles , membership = 32 state members , coords = , area_ser ...
(IOTC) *
Inter-American Tropical Tuna Commission , motto = , formation = , type = International organization , status = , purpose = Fisheries , headquarters = La Jolla, San Diego, United States , membership = 21 members , coords = , ...
(IATTC) *
International Commission for the Conservation of Atlantic Tunas / es, Comisión Internacional para la Conservación del Atún Atlántico (CICAA) , motto = , formation = , type = International organization ''International Organization'' is a quarterly peer-reviewed academic journal ...
(ICCAT) * International Pacific Halibut Commission (IPHC) *
International Whaling Commission The International Whaling Commission (IWC) is an international body established under the terms of the 1946 International Convention for the Regulation of Whaling, International Convention for the Regulation of Whaling (ICRW) to "provide for the p ...
(IWC) * North-East Atlantic Fisheries Commission (NEAFC) *
Northwest Atlantic Fisheries OrganizationThe Northwest Atlantic Fisheries Organization (NAFO) is an intergovernmental organization with a mandate to provide scientific advice and management of fisheries in the northwestern part of the Atlantic Ocean. NAFO is headquartered in Dartmouth, Nov ...
(NAFO) *
North Atlantic Salmon Conservation Organization
North Atlantic Salmon Conservation Organization
(NASCO) *
Pacific Salmon Commission The Pacific Salmon Commission is a regulatory body run jointly by the Canadian government, Canadian and United States governments. Its mandate is to protect stocks of the five species of Pacific salmon. Its precursor was the International Pacific S ...
(PSC) * Southeast Asian Fisheries Development Center (SEAFDEC) *
Western and Central Pacific Fisheries Commission The Western and Central Pacific Fisheries Commission (WCPFC) is a treaty-based organisation established to conserve and manage tuna and other highly migratory fish stocks across the western and central areas of the Pacific Ocean. Its full name is ...
(WCPFC)


Maritime organizations

*
Antarctic Treaty Secretariat The Antarctic Treaty Secretariat (ATS) is an organization created in 2003 by the Antarctic Treaty Consultative Meeting (ATCM) for the management of several ATCM tasks such as the support of the annual meeting of signatory countries of the Anta ...
(ATS) *
International Hydrographic Organization The International Hydrographic Organization (IHO) is an intergovernmental organisation representing hydrography. As of December 2021 the IHO comprised 96 Member States. A principal aim of the IHO is to ensure that the world's seas, oceans and ...
*
International Maritime Organization The International Maritime Organization (IMO, French: ''Organisation Maritime Internationale''; known as the Inter-Governmental Maritime Consultative Organization until 1982) is a specialised agency of the United Nations United Nations Spec ...
*
International Seabed Authority The International Seabed Authority (ISA) (french: Autorité internationale des fonds marins) is an intergovernmental organization, intergovernmental body based in Kingston, Jamaica, that was established to organize, regulate and control all mi ...
*
International Council for the Exploration of the Sea :''For the ICES civil engineering software package see COGO.'' The International Council for the Exploration of the Sea (ICES; french: Conseil International de l'Exploration de la Mer, ''CIEM'') is the world's oldest intergovernmental science orga ...
(ICES) * North Pacific Marine Science Organization (PICES)


Financial, trade, and customs organizations

*
Alliance for Financial Inclusion The Alliance for Financial Inclusion, or AFI, is an international policy institute A think tank, or policy institute, is a research institute A research institute, research centre, or research center is an establishment founded for doing rese ...
(AFI) *
African Development Bank The African Development Bank Group (AfDB or ADB) or (BAD) is a multilateral development finance institution. The AfDB was founded in 1964 and comprises three entities: The African Development Bank, the African Development Fund and the Nigeria Tr ...
*
Asian Development Bank The Asian Development Bank (ADB) is a regional development bank established on 19 December 1966, which is headquartered in the Ortigas Center Ortigas Center is a central business district A central business district (CBD) is the commercial ...

Asian Development Bank
*
Asian Infrastructure Investment Bank The Asian Infrastructure Investment Bank (AIIB) is a multilateral development bank that aims to improve economic and social outcomes in Asia Asia () is Earth's largest and most populous continent, located primarily in the Eastern Hemi ...
*
Bank for International Settlements The Bank for International Settlements (BIS) is an international financial institution An international financial institution (IFI) is a financial institution that has been established (or chartered) by more than one country, and hence is subject ...

Bank for International Settlements
*
Black Sea Trade and Development Bank The Black Sea Trade and Development Bank (BSTDB) is an international financial institution serving the eleven member founding countries of the Black Sea Economic Cooperation, a regional economic organization. It supports economic development and re ...
(BSTDB) *
Caribbean Development BankThe Caribbean Development Bank (CDB) is a financial institution that helps Caribbean The Caribbean (, ; es, Caribe; french: Caraïbes; ht, Karayib; also gcf, label= Antillean Creole, Kawayib; nl, Caraïben; Papiamento: ) is a region of the A ...
(CDB) *
Council of Europe Development BankThe Council of Europe Development Bank (french: CEB, Banque de Développement du Conseil de l'Europe) dates from 1956, when the Council of Europe The Council of Europe (CoE) (french: Conseil de l'Europe, CdE) is an international organization, int ...
(CEB) *
Eurasian Development Bank The Eurasian Development Bank (EDB) is a regional development bank established by the Russian Federation Russia (russian: link=no, Россия, , ), or the Russian Federation, is a country spanning Eastern Europe and Northern Asia. It is ...
*
European Bank for Reconstruction and Development The European Bank for Reconstruction and Development (EBRD) is an international financial institution An international financial institution (IFI) is a financial institution that has been established (or chartered) by more than one country, and ...
(EBRD) *
Federation of Euro-Asian Stock Exchanges The Federation of Euro-Asian Stock Exchanges (FEAS) is a non-profit international organization comprising the main stock exchanges in Eastern Europe Eastern Europe is the region of the European continent between Western Europe and Asia. There is ...

Federation of Euro-Asian Stock Exchanges
*
Financial Action Task Force The Financial Action Task Force (on Money Laundering) (FATF), also known by its French name, ''Groupe d'action financière'' (GAFI), is an intergovernmental organisation founded in 1989 on the initiative of the G7 to develop policies to combat m ...
(FATF) *
Inter-American Development Bank The Inter-American Development Bank (IADB or IDB or BID) is the largest source of development financing for Latin America Latin America is the portion of the Americas comprising countries and regions where Romance languages—languages that d ...
*
International Bureau of Weights and Measures The International Bureau of Weights and Measures (french: Bureau international des poids et mesures, BIPM) is an intergovernmental organisation An intergovernmental organization (IGO) is an organization composed primarily of sovereign state ...
(BIPM) *
International Energy Agency The International Energy Agency (IEA; french: Agence internationale de l'énergie) is a Paris Paris () is the Capital city, capital and List of communes in France with over 20,000 inhabitants, most populous city of France, with an estima ...
(IEA) *
International Fund for Agricultural Development The International Fund for Agricultural Development (IFAD; french: Fonds international de développement agricole (FIDA)) is an international financial institution An international financial institution (IFI) is a financial institution that ...
(IFAD) *
International Development Law Organization The International Development Law Organization (IDLO) is an intergovernmental organization An intergovernmental organization (IGO) or international organization is an organization composed primarily of sovereign states (referred to as ''member st ...
(IDLO), headquartered in Rome *
International Monetary Fund The International Monetary Fund (IMF) is an international financial institution, headquartered in Washington, D.C. ) , image_skyline = , image_caption = Clockwise from top left: the Washington Monument The ...

International Monetary Fund
(IMF) *
Islamic Development Bank The Islamic Development Bank (Arabic: البنك الإسلامي للتنمية) is a multilateral development finance institution that is focused on Islamic finance located in Jeddah Jeddah ( ), also spelled Jedda, Jiddah or Jidda ( ; ar, ...

Islamic Development Bank
(IDB) *
Netherlands Development Finance Company FMO ( nl, Nederlandse Financierings-Maatschappij voor Ontwikkelingslanden N.V.) is a Dutch Development finance institution, development bank structured as a bilateral private-sector International financial institutions, international financial inst ...
(FMO) *
Nordic Development Fund The Nordic Development Fund is the joint multilateral development finance institution of Denmark, Finland, Iceland, Norway and Sweden. It was established in 1989 and adheres to the development assistance policies of the Nordic countries and has fin ...
(NDF) *
Nordic Investment Bank The Nordic Investment Bank (NIB) is an international financial institution An international financial institution (IFI) is a financial institution that has been established (or chartered) by more than one country, and hence is subject to internation ...
(NIB) *
New Development Bank The New Development Bank (NDB), formerly referred to as the BRICS Development Bank, is a multilateral development bank established by the BRICS states (Brazil Brazil ( pt, Brasil; ), officially the Federative Republic of Brazil (Portug ...
(NDB) *
Organization for Economic and Co-operation Development
Organization for Economic and Co-operation Development
(OECD) *
OPEC Fund for International Development The OPEC Fund for International Development (OPEC Fund) is the intergovernmental development finance institution established in 1976 by the Member States of the OPEC, Organization of the Petroleum Exporting Countries (OPEC). The OPEC Fund was conc ...
(OPEC Fund) *
Organization of Petroleum-Exporting Countries
Organization of Petroleum-Exporting Countries
(OPEC) *
West African Development Bank The West African Development Bank - WADB (fr. Banque Ouest Africaine de Développement - BOAD / pt. Banco de Desenvolvimento do Oeste Africano - BDOA) is an international Multilateral Development Bank An international financial institution (IFI) is ...
(BOAD) *
World Bank Group The World Bank Group (WBG) is a family of five international organization ''International Organization'' is a quarterly peer-reviewed academic journal that covers the entire field of international relations, international affairs. It was establ ...

World Bank Group
**
International Bank for Reconstruction and Development The International Bank for Reconstruction and Development (IBRD) is an international financial institution An international financial institution (IFI) is a financial institution that has been established (or chartered) by more than one country ...
(IBRD) **
International Development Association The International Development Association (IDA) (french: link=no, Association internationale de développement) is an international financial institution which offers concessional loans and grant (money), grants to the world's poorest developing ...

International Development Association
(IDA) **
International Finance Corporation The International Finance Corporation (IFC) is an international financial institution An international financial institution (IFI) is a financial institution that has been established (or chartered) by more than one country, and hence is subject ...

International Finance Corporation
(IFC) **
Multilateral Investment Guarantee Agency The Multilateral Investment Guarantee Agency (MIGA) is an international financial institution An international financial institution (IFI) is a financial institution that has been established (or chartered) by more than one country, and hence i ...

Multilateral Investment Guarantee Agency
(MIGA) **
International Centre for Settlement of Investment Disputes International Centre for Settlement of Investment Disputes (ICSID) is an international arbitration institution established in 1966 for legal dispute resolution Dispute resolution or dispute settlement is the process of resolving disputes b ...

International Centre for Settlement of Investment Disputes
(ICSID) *
World Customs Organization The World Customs Organization (WCO) is an intergovernmental organization An intergovernmental organization (IGO) is an organization composed primarily of sovereign states (referred to as ''member states''), or of other organizations throug ...

World Customs Organization
(WCO) *
World Trade Organization The World Trade Organization (WTO) is an intergovernmental organization An intergovernmental organization (IGO) is an organization composed primarily of sovereign states (referred to as ''member states''), or of other organizations through ...
(WTO)


Regional organizations


Europe

*
European Union The European Union (EU) is a political and economic union of member states that are located primarily in Europe Europe is a which is also recognised as part of , located entirely in the and mostly in the . It comprises the wester ...

European Union
(EU) **
Western European Union The Western European Union (WEU; french: Union de l'Europe occidentale, ''UEO''; german: Westeuropäische Union, ''WEU'') was the international organisation and military alliance that succeeded the Western Union The Western Union Company is an ...
(defunct) *
Big Four (Western Europe) The Big Four, also known as G4, refers to France France (), officially the French Republic (french: link=no, République française), is a country primarily located in Western Europe, consisting of metropolitan France and Overseas France, ...
*
Council of Europe The Council of Europe (CoE; french: Conseil de l'Europe, ) is an international organisation ''International Organization'' is a quarterly peer-reviewed academic journal that covers the entire field of international relations, international aff ...

Council of Europe
(CoE) *
Central European Initiative The Central European Initiative (CEI) is a forum of regional cooperation in Central and Eastern Europe Central and Eastern Europe is a term encompassing the countries in Central Europe Central Europe is the central region of Europe. Central Eu ...
(CEI) *
Energy Community
Energy Community
*
European Free Trade Association The European Free Trade Association (EFTA) is a regional trade organization A trade association, also known as an industry trade group, business association, sector association or industry body, is an organization founded and funded by bus ...
(EFTA) *
European Organisation for the Exploitation of Meteorological Satellites The European Organisation for the Exploitation of Meteorological Satellites (EUMETSAT) is an intergovernmental organisation An intergovernmental organization (IGO) is an organization composed primarily of sovereign states (referred to as ''me ...
(EUMETSAT) *
European Patent Organisation The European Patent Organisation (sometimes abbreviated EPOrg in order to distinguish it from the European Patent Office, one of the two organs of the organisation) is a public international intellectual property organisation, organisation created ...

European Patent Organisation
(EPO) *
European Science Foundation The European Science Foundation (ESF) is an association of 11 member organizations devoted to scientific research The scientific method is an Empirical evidence, empirical method of acquiring knowledge that has characterized the development ...
*
European Organisation for the Safety of Air Navigation The European Organisation for the Safety of Air Navigation, commonly known as Eurocontrol (stylized ''EUROCONTROL''), is an international organisation working to achieve safe and seamless air traffic management across Europe. Founded in 1960, Euroc ...
(EUROCONTROL) * Group of 9 (G9) *International Commission on Civil Status (ICCS) *Central Commission for Navigation on the Rhine (CCNR) *Council of the Baltic Sea States (CBSS) *Assembly of European Regions (AER) *Eiroforum **CERN **European Fusion Development Agreement (EFDA JET) **European Molecular Biology Laboratory (EMBL) **European Space Agency (ESA) **European Southern Observatory (ESO) **European Synchrotron Radiation Facility (ESRF) **European x-ray free electron laser (European XFree-electron laser, FEL) **Institut Laue–Langevin (ILL) *HELCOM, Baltic Marine Environment Protection Commission *Benelux *Belgium–Luxembourg Economic Union *British–Irish Council *Nordic Council *
Nordic Investment Bank The Nordic Investment Bank (NIB) is an international financial institution An international financial institution (IFI) is a financial institution that has been established (or chartered) by more than one country, and hence is subject to internation ...
* Northern Dimension Partnership in Public Health and Social Well-being (NDPHS) *Organisation for Joint Armament Cooperation (OCCAR) *Agency for International Trade Information and Cooperation (AITIC) *Visegrád Group (V4) *EUREKA *European Cooperation in Science and Technology (COST) * Community for Democracy and Rights of Nations (Commonwealth of Unrecognized States) * European Centre for Medium-Range Weather Forecasts, European Centre for Medium-range Weather Forecasts (ECMWF) *West Nordic Council


Asia

*Asia Cooperation Dialogue (ACD) *
Asian Development Bank The Asian Development Bank (ADB) is a regional development bank established on 19 December 1966, which is headquartered in the Ortigas Center Ortigas Center is a central business district A central business district (CBD) is the commercial ...

Asian Development Bank
(ADB) *Asia-Pacific Economic Cooperation (APEC) *East Asia Summit (EAS) *Association of Southeast Asian Nations (ASEAN) *Bay of Bengal Initiative for Multi-Sectoral Technical and Economic Cooperation (BIMSTEC) *International Network for Bamboo and Rattan (INBAR) *Mekong–Ganga Cooperation (MGC) *Mekong River Commission (MRC) *Partnerships in Environmental Management for the Seas of East Asia (PEMSEA) *South Asian Association for Regional Cooperation (SAARC) *Southeast Asian Ministers of Education Organization (SEAMEO) *Trilateral Cooperation Secretariat (TCS) *Gulf Cooperation Council (GCC)


Transcontinental

*Group of Eight *Eurasia **Asia-Europe Foundation (ASEF) **Organization of Central Asian Cooperation, Central Asian Cooperation Organization **Community for Democracy and Rights of Nations **Collective Security Treaty Organization (CSTO) **Conference on Interaction and Confidence Building Measures in Asia (CICA) **Commonwealth of Independent States (CIS) **Economic Cooperation Organization (ECO) **Eurasian Economic Union (EEU or EAEU) **GUAM Organization for Democracy and Economic Development **Organization of the Black Sea Economic Cooperation (BSEC) **Shanghai Cooperation Organisation (SCO) **TRACECA **Turkic Council (TurkKon) **Union State *Trans-Atlantic **Group of Seven **Group of Ten (economics) **NATO, North Atlantic Treaty Organization (NATO) **Organization for Security and Co-operation in Europe (OSCE) **South Atlantic Peace and Cooperation Zone (ZPCAS) *Mediterranean Sea, Mediterranean **Union for the Mediterranean *Indian Ocean **Indian Ocean Rim Association for Regional Cooperation (IOR-ARC) **Indian Ocean Commission (COI) *Arctic Ocean **Arctic Council *Pacific Ocean: **ANZUS **Asia-Pacific Economic Cooperation (APEC) **Colombo Plan **Group of Five **Melanesian Spearhead Group (MSG) **Pacific Islands Forum **Pacific Regional Environment Programme (SPREP) **Secretariat of the Pacific Community *African, Caribbean and Pacific Group of States **Technical Centre for Agricultural and Rural Cooperation ACP-EU (CTA) *Afro-Asian organizations **Asian-African Legal Consultative Organization


Africa

*African Union *Conseil de l'Entente *Economic Community of West African States (ECOWAS) *East African Community (EAC) *West African Economic and Monetary Union (UEMOA) *Southern African Development Community (SADC) *Intergovernmental Authority on Development (IGAD) *Arab Maghreb Union *International Conference on the Great Lakes Region (ICGLR)


Americas

*Organization of American States (OAS) *Union of South American Nations (USAN) :*Mercosur :*Andean Community of Nations *Caribbean Community (CARICOM) *Association of Caribbean States (ACS) *Organisation of Eastern Caribbean States (OECS) *Central American Parliament *Bolivarian Alliance for the Americas (ALBA) *Rio Group *System of Cooperation Among the American Air Forces (SICOFAA) *Central American Bank for Economic Integration (CABEI) *Central American Integration System *Community of Latin American and Caribbean States (CELAC) *Pacific Alliance


Cultural, ethnic, linguistic, and religious organizations

*Commonwealth of Nations *International Centre for the Study of the Preservation and Restoration of Cultural Property (ICCROM) *Organisation internationale de la Francophonie *Community of Portuguese Language Countries (CPLP) *Organization of Ibero-American States (OEI) *Arab League *Organisation of Islamic Cooperation *International Organization of Turkic Culture (TÜRKSOY) *Interparliamentary Assembly on Orthodoxy


Educational organizations and universities

* Academy of European Law (ERA) * Asian Institute of Technology (AIT) * Cerlalc * Commonwealth of Learning (COL) * EUCLID (university) * European Schools * European University Institute * International Bureau of Education IBE, now a part of UNESCO * International Institute for the Unification of Private Law * Model United Nations (MUN) * United Nations University (UNU) * World Maritime University (WMU/IMO)


Law enforcement cooperation

*International Criminal Court (ICC) *International Criminal Police Organization (Interpol) *Permanent Court of Arbitration (PCA)


Transport

*Intergovernmental Organisation for International Carriage by Rail (OTIF) *Organization for Cooperation of Railways (OSJD or OSShD) *
International Civil Aviation Organization The International Civil Aviation Organization (ICAO) is a specialized and funding agency of the United Nations The United Nations (UN) is an intergovernmental organization that aims to maintain international peace and international s ...
*TRACECA *Southeast Europe Transport Community


Humanitarian organizations

*International Cospas-Sarsat Programme


Environmental organizations

*Agreement on the Conservation of Albatrosses and Petrels (ACAP) *The Forum of Ministers of Environment of Latin America and the Caribbean *Global Environment Facility (GEF) *Global Green Growth Institute (GGGI) *Intergovernmental Panel on Climate Change (IPCC) *The International Union for Conservation of Nature (IUCN) *Partnerships in Environmental Management for the Seas of East Asia (PEMSEA) *
United Nations Environment Programme The United Nations Environment Programme (UNEP) is responsible for coordinating responses to environmental issues within the United Nations system. It was established by Maurice Strong Maurice Frederick Strong, (April 29, 1929 – November 27, 20 ...
(UNEP)


Arms control

*Conference on Disarmament *Organisation for the Prohibition of Chemical Weapons (OPCW) *Preparatory Commission for the Comprehensive Nuclear-Test-Ban Treaty Organization (CTBTO) *Wassenaar Arrangement *Nuclear Suppliers Group (NSG) *Australia Group (AG) *Missile Technology Control Regime (MTCR)


Energy organizations


Multi sector organizations

*
International Energy Agency The International Energy Agency (IEA; french: Agence internationale de l'énergie) is a Paris Paris () is the Capital city, capital and List of communes in France with over 20,000 inhabitants, most populous city of France, with an estima ...
*Energy Charter *
Energy Community
Energy Community
*
United Nations Industrial Development Organization The United Nations Industrial Development Organization (UNIDO) (French/Spanish acronym: ONUDI) is a specialized agency United Nations Specialized Agencies are autonomous organizations working with the United Nations The United Nation ...
(UNIDO) *International Institute for Applied Systems Analysis (IIASA) *International Energy Forum (IEF)


Nuclear power organizations

*European Atomic Energy Community *International Atomic Energy Agency *International Centre for Synchrotron-Light for Experimental Science Applications in the Middle East *Korean Peninsula Energy Development Organization *Nuclear Energy Agency *United Nations Atomic Energy Commission *World Association of Nuclear Operators


Sustainable energy organizations

*International Renewable Energy Agency (IRENA) *Sustainable Energy for All (SE4ALL) *Renewable Energy and Energy Efficiency Partnership (REEEP) * International Solar Alliance


Digital organizations

* Digital 9 (D9)


Military alliances

*NATO *Collective Security Treaty Organization (CSTO)


Ideological and political groupings

*Non-Aligned Movement *Group of 15 (G-15) *Group of 77 (G-77) *Group of 24 (G24) *G20 *Alliance of Small Island States (AOSIS) *BRICS (Brazil, Russia, India, China, South Africa) *Bolivarian Alliance for the Americas (ALBA) *Association of World Election Bodies (AWEB) *New Agenda Coalition *Non-Proliferation and Disarmament InitiativeGerman Foreign Ministry, retrieved 6 July 2011
/ref> *Western European and Others Group (disbanded)


Other

*Advisory Centre on World Trade Organization Law *International Centre for Genetic Engineering and Biotechnology *International Institute for Democracy and Electoral Assistance (International IDEA) *Partners in Population and Development *South Centre (organization), South Centre *World Organisation for Animal Health *Forum for India-Pacific Islands cooperation (FIPIC) *U-Report


Defunct

*Allied Control Council *Arab Cooperation Council *Central Treaty Organization *Comecon *Conference of Ambassadors, Council of Ambassadors *Customs and Economic Union of Central Africa *Delian League *Eurasian Economic Community (transformed into Eurasian Economic Union) *French Community *French Union *G33 (industrialized countries), G33 *International Authority for the Ruhr *International Trade Organization *Latin League *Latin Union *League of Corinth *League of Nations *Peloponnesian League *Organisation of African Unity *Southeast Asia Treaty Organization *Union of African States


See also

*List of local government organizations


References

{{International organizations Intergovernmental organizations, *List of intergovernmental organizations Lists of organizations, Intergovernmental organizations, List of International relations lists International organizations