International Organizations are one of the most important topic that are usually asked in various competitive exams. In the general awareness section of the competitive exam you can expect at least one or two questions from this topic. In this world, there are more than three hundred intergovernmental Organizations and some of them are international Organizations which is designed to address global issues such as human rights, international trade and the economy, terrorism, climate change, etc. In this article we have discussed the International organizations name, their Headquarters, and year of establishment.

• Table of Content
• International Organizations and their Headquarters.
• International Finance, Trade & Customs Organization.
• International Agricultural and Research Organization.
• International Educational Organization and Universities.
• International Environmental Organization.
• International Energy Organization.
• International Regional Organization (Europe)
• International Regional Organization (Asia)
• International Fisheries Organization.
• International Law Enforcement Organization.
• International Ideological & Political Groupings.
• International Transport Organization.
• International Others Organization.

Below is the list of Top International Organizations, their Headquarter and Year of Establishment.

1. World Health Organization (WHO)
   • Headquarters – Geneva, Switzerland
   • Establishment – 1948
2. World Trade Organization (WTO)
   • Headquarters – Geneva, Switzerland
   • Establishment – 1995
3. International Atomic Energy Agency (IAEA)
   • Headquarters – Vienna, Austria
   • Establishment – 1957
4. International Monetary Fund (IMF)
   • Headquarters – Washington DC, USA
   • Establishment – 1944
5. International Court of Justice (ICJ)
   • Headquarters – The Hague, Netherlands
   • Establishment – 1945
6. Food and Agricultural Organization (FAO)
   • Headquarters – Rome, Italy
   • Establishment – 1945
7. International Labor Organization (ILO)
   • Headquarters – Geneva, Switzerland
   • Establishment – 1919
8. World Bank (WB)
   • Headquarters – Washington DC, USA
   • Establishment – 1944
9. World Economic Forum (WEF)
   • Headquarters – Cologny, Switzerland
   • Establishment – 1971
10. International Cricket Council (ICC)
    • Headquarters – Dubai, UAE
    • Establishment – 1909
11. United Nations Conference on Trade and Development (UNCTAD)
    • Headquarters – Geneva, Switzerland
    • Establishment – 1964
12. United Nations Organization (UNO)
    • Headquarters – New York, USA
    • Establishment – 1945
13. North Atlantic Treaty Organization (NATO)
    • Headquarters – Brussels, Belgium
    • Establishment – 1949
14. Organization of Islamic Cooperation (OIC)
    • Headquarters – Jeddah, Saudi Arabia
    • Establishment – 1969
15. United Nations World Tourism Organization (UNWTO)
    • Headquarters – Madrid, Spain
    • Establishment – 1975
16. Nordic Council of Ministers
    • Headquarters – Copenhagen, Denmark
    • Establishment – 1971
17. African Union
    • Headquarters – Addis Ababa, Ethiopia
    • Establishment – 2001
18. Commonwealth of Nations
    • Headquarters – London, UK
    • Establishment – 1931
19. Federation international des échecs or World Chess Federation (FIDE)
    • Headquarters – Lausanne, Switzerland
    • Establishment – 1924
20. European Free Trade Association (EFTA)
    • Headquarters – Geneva, Switzerland
      • Establishment – 1960
21. World Organization Against Torture (OMCT)
    • Headquarters – Geneva, Switzerland
    • Establishment – 1985
22. International Trade Centre (ITC)
    • Headquarters – Geneva, Switzerland
    • Establishment – 1964
23. International Centre for Settlement of Investment Disputes (ICSID)
    • Headquarters – Washington D.C.
    • Establishment – 1966
24. International Association of Athletics Federations (IAAF)
    • Headquarters – Monaco
    • Establishment – 1912
25. International Shooting Sports Federation (ISSF)
    • Headquarters – Munich, Germany
    • Establishment – 1907
26. United Nations System Staff College (UNSSC)
    • Headquarters – Turin, Italy
    • Establishment – 2002
27. Gulf Cooperation Council (GCC)
    • Headquarters – Riyadh, SaudiArabia
    • Establishment – 1981
28. International Hockey Federation (FIH)
    • Headquarters – Lausanne,Switzerland
    • Establishment – 1924
29. Commonwealth of Independent States (CIS)
    • Headquarters – Minsk Russia
    • Establishment – 1991
30. Asian Infrastructure Investment Bank (AIIB)
    • Headquarters – Beijing, China
    • Establishment – 2016
31. African Union (AU)
    • Headquarters – Addis Abab, Ethiopia
    • Establishment – 2002
32. Western European Union (WEU)
    • Headquarters – Paris, France
    • Establishment – 1954
33. Organization of Petroleum Exporting Countries (OPEC)
    • Headquarters – Vienna, Austria
    • Establishment – 1960
34. Asian Development Bank (ADB)
    • Headquarters – Manila, Philippines
    • Establishment – 1966
35. Andean Community
    • Headquarters – Lima, Peru
    • Establishment – 1969
36. United Nations High Commissioner for Refugees (UNHCR)
    • Headquarters – Geneva, Switzerland
    • Establishment – 1950
37. World Food Programme (WFP)
    • Headquarters – Rome, Italy
    • Establishment – 1961
38. Black Sea Economic Cooperation (BSEC)
    • Headquarters – Istanbul, Turkey
    • Establishment – 1992
39. United Nations Populations Fund (UNFPA)
    • Headquarters – New York, US
    • Establishment – 1969
40. United Nations Framework Convention on Climate Change (UNFCCC)
    • Headquarters – Bonn, Germany
    • Establishment – 1994 (Signed in 1993)
41. Organization for Security and Co-operation in Europe (OSCE)
    • Headquarters – Vienna, Austria
    • Establishment – 1975
42. Joint United Nations Programme on HIV/AIDS (UNAIDS)
    • Headquarters – Geneva, Switzerland
    • Establishment – 1994
43. The Fédération Internationale de Football Association (FIFA)
    • Headquarters – Zurich, Switzerland
    • Establishment – 1904
44. The International Bank for Reconstruction and Development (IBRD)
    • Headquarters – Washington D.C.
    • Establishment – 1944
45. International Finance Corporation (IFC)
    • Headquarters – Washington D.C.
    • Establishment – 1956
46. International Federation of Red Cross and Red Crescent Socities (IFRC)
    • Headquarters – Geneva, Switzerland
    • Establishment – 1919
47. The International Air Transport Association (IATA)
    • Headquarters – Montreal, Canada
    • Establishment – 1945
48. United Nations High Commissioner for Human Rights (UNHCHR)
    • Headquarters – Geneva, Switzerland and New York City, USA
    • Establishment – 1993
49. Organization of Arab Petroleum Exporting Countries (OAPEC)
    • Headquarters – Kuwait, Middle East
    • Establishment – 1968
50. International Seabed Authority (ISA)
    • Headquarters – Kingston, Jamaica
    • Establishment – 1994
51. International Maritime Organisation (IMO)
    • Headquarters – London, UK
    • Establishment – 1948
52. Association of South East Asian Nations (ASEAN)
    • Headquarters – Jakarta, Indonesia
    • Establishment – 1967
53. International Union for Conservation of Nature (IUCN)
    • Headquarters – Gland, Switzerland
    • Establishment – 1948
54. Intergovernmental Authority on Development (IGAD)
    • Headquarters – Djibouti, Djibouti
    • Establishment – 1986
55. The Shanghai Cooperation Organisation (SCO)
    • Headquarters – Beijing China
    • Establishment – 2001
56. European Bank for Reconstruction and Development (EBRD)
    • Headquarters – London, United Kingdom
    • Establishment – 1991
57. Council of Europe
    • Headquarters – Strasbourg, France
    • Establishment – 1949
58. The Non-Aligned Movement (NAM)
    • Headquarters – Central Jakarta, Indonesia
    • Establishment – 1961
59. Amnesty International (AI)
    • Headquarters – London, UK
    • Establishment – 1961
60. International Telecommunication Union (ITU)
    • Headquarters – Geneva, Switzerland
    • Establishment – 1865
61. International Fund for Agricultural Development (IFAD)
    • Headquarters – Rome, Italy
    • Establishment – 1977
62. World Federation of United Nations Associations (WFUNA)
    • Headquarters – New York, U.S. Geneva, Switzerland
    • Establishment – 1946
63. The Arab League
    • Headquarters – Cairo, Egypt
    • Establishment – 1945
64. United Nations Institute for Disarmament Research (UNIDIR)
    • Headquarters – Geneva, Switzerland
    • Establishment – 1980
65. Indian Ocean Rim Association (IORA)
    • Headquarters – Ebene, Mauritius
    • Establishment – 1997
66. World Meteorological Organization (WMO)
    • Headquarters – Geneva, Switzerland
    • Establishment – 1950
67. United Nations Children’s’ Fund (UNICEF)
    • Headquarters – New York, USA
    • Establishment – 1946
68. Commonwealth Secretariat
    • Headquarters – London, United Kingdom
    • Establishment – 1965
69. United Nations Office for Project Services (UNOPS)
    • Headquarters – Copenhagen, Denmark
    • Establishment – 1973
70. International Civil Aviation Organization (ICAO)
    • Headquarters – Montreal, Canada
    • Establishment – 1947
71. Bank for International Settlements (BIS)
    • Headquarters – Basel, Switzerland
    • Establishment – 1930
72. South Asian Association for Regional Cooperation (SAARC)
    • Headquarters – Kathmandu, Nepal
    • Establishment – 1985
73. Internet Corporation for Assigned Names and Numbers (ICANN)
    • Headquarters – Los Angeles, USA
    • Establishment – 1998
74. International Organization for Migration (IOM)
    • Headquarters – Geneva, Switzerland
    • Establishment – 1951
75. International Criminal Police Organization (INTERPOL)
    • Headquarters – Lyon, France
    • Establishment – 1923
76. United Nations Institute for Training and Research (UNITAR)
    • Headquarters – Geneva, Switzerland
    • Establishment – 1963
77. Universal Postal Union (UPU)
    • Headquarters – Bern, Switzerland
    • Establishment – 1874
78. United Nations Population Fund (UNPF)
    • Headquarters – New York City, USA
    • Establishment – 1969
79. United Nations Industrial Development Organisation (UNIDO)
    • Headquarters – Vienna, Austria
    • Establishment – 1966
80. International Organization for Standardization (ISO)
    • Headquarters – Geneva, Switzerland
    • Establishment – 1947
81. UN Women
    • Headquarters – New York City, USA
    • Establishment – 2010
82. United Nations Office for the Coordination of Humanitarian Affairs (OCHA)
    • Headquarters – New York, United States Istanbul, Turkey
    • Establishment – 1991
83. Organisation for Economic Cooperation & Development (OECD)
    • Headquarters – Paris, France
    • Establishment – 1961
84. Arctic Council
    • Headquarters – Tromso, Norway
    • Establishment – 1996
85. International Organization for Standardization (IOS)
    • Headquarters – Geneva, Switzerland
    • Establishment – 1947
86. New Development Bank (NDB)
    • Headquarters – Shanghai, China
    • Establishment – 2014
87. International Peace Bureau (IPB)
    • Headquarters – Geneva, Switzerland
    • Establishment – 1891
88. United Nations Relief and Works Agency for Palestine Refugees (UNRWA)
    • Headquarters – Amman, Jordan
    • Establishment – 1949
89. United Nations Economic and Social Commission for Western Asia (UN-ESCWA)
    • Headquarters – Beirut, Lebanon
    • Establishment – 1973
90. Central American Bank for Economic Integration (CABEI)
    • Headquarters – Tegucigalpa, Honduras
    • Establishment – 1960
91. United Nations Economic and Social Commission for Asia and the Pacific (ESCAP)
    • Headquarters – Bangkok, Thailand
    • Establishment – 1947
92. Common Market for Eastern and Southern Africa (COMESA)
    • Headquarters – Lusaka, Zambia
    • Establishment – 1994
93. Multilateral Investment Guarantee Agency (MIGA)
    • Headquarters – Washington D.C.
    • Establishment – 1988
94. European Central Bank (ECB)
    • Headquarters – Frankfurt, Germany
    • Establishment – 1998
95. International Hydrographic Organization (IHO)
    • Headquarters – Monaco
    • Establishment – 1921
96. Inter-American Development Bank (IDB)
    • Headquarters – Washington, DC, USA
    • Establishment – 1959
97. Caribbean Community (CARICOM)
    • Headquarters – Georgetown, Guyana
    • Establishment – 1973
98. International Renewable Energy Agency (IRENA)
    • Headquarters – Abu Dhabi, UAE
    • Establishment – 2009
99. United Nations Environment Programme (UNEP)
    • Headquarters – Nairobi, Kenya
    • Establishment – 1972
100. Economic Community of West African States (ECOWAS)
     • Headquarters – Federal Capital Territory, Nigeria
     • Establishment – 1975
101. United Nations Development Programme (UNDP)
     • Headquarters – New York City, USA
     • Establishment – 1965
102. African Development Bank Group (AfDB)
     • Headquarters – Abidjan, Ivory Coast
     • Establishment – 1964
103. Transparency International (TI)
     • Headquarters – Berlin, Germany
     • Establishment – 1993
104. Organization for the Prohibition of Chemical Weapons (OPCW)
     • Headquarters – The Hague, Netherlands
     • Establishment – 1997
105. International Committee of the Red Cross (ICRC)
     • Headquarters – Geneva, Switzerland
     • Establishment – 1863
106. International Olympic Committee (IOC)
     • Headquarters – Lausanne, Switzerland
     • Establishment – 1894
107. League of Arab States (LAS)
     • Headquarters – Cairo, Egypt
     • Establishment – 1945
108. World Intellectual Property Organization (WIPO)
     • Headquarters – Geneva, Switzerland
     • Establishment – 1967
109. United Nations Office on Drugs and Crime (UNODC)
     • Headquarters – Vienna, Austria
     • Establishment – 1997
110. International Council on Monuments and Sites (ICOMOS)
     • Headquarters – Paris, France
     • Establishment – 1965
111. United Nations Educational Scientific and Cultural Organization (UNESCO)
     • Headquarters – Paris, France
     • Establishment – 1945
112. Asia Pacific Economic Cooperation (APEC)
     • Headquarters – Singapore
     • Establishment – 1989
113. International Development Association (IDA)
     • Headquarters – Washington, DC, USA
     • Establishment – 1960
114. International Service for Human Rights (ISHR)
     • Headquarters – Geneva, Switzerland
     • Establishment – 1984
115. Inter-Parliamentary Union (IPU)
     • Headquarters – Geneva, Switzerland
     • Establishment – 1889
116. Council of the Baltic Sea States (CBSS)
     • Headquarters – Stockholm, Sweden
     • Establishment – 1992
117. International Union of Pure and Applied Chemistry (IUPAC)
     • Headquarters – Zurich, Switzerland
     • Establishment – 1919
118. Worldwide Fund for Nature (WWF)
     • Headquarters – Gland, Switzerland
     • Establishment – 1961
119. United Nations Human Settlement Programme (UN-Habitat)
     • Headquarters – Nairobi, Kenya
     • Establishment – 1978

All of the above international organization are very popular, and are often asked in competitive exams, so we hope you have read the names of all international organization and their headquarters very carefully.

Apart from the above list of international organizations there are many more international organization which is mentioned below.

List of International Finance, Trade & Customs Organization.

• WBG : World Bank Group
• CDB : Caribbean Development Bank
• IDB : Islamic Development Bank
• OECD : Organization for Economic and Co-operation Development
• ADB : Asian Development Bank
• NDF : Nordic Development Fund
• ICSID : International Centre for Settlement of Investment Disputes
• AIIB : Asian Infrastructure Investment Bank
• FATF : Financial Action Task Force
• NIB : Nordic Investment Bank
• IEA : International Energy Agency
• WTO : World Trade Organization
• IFAD : International Fund for Agricultural Development
• AFI : Alliance for Financial Inclusion
• NDB : New Development Bank
• MIGA : Multilateral Investment Guarantee Agency
• IADB : Inter-American Development Bank
• WCO : World Customs Organization
• IMF : International Monetary Fund
• CEB : Council of Europe Development Bank
• IDLO : International Development Law Organization
• IBRD : International Bank for Reconstruction and Development
• OPEC : Organization of Petroleum-Exporting Countries
• EDB : Eurasian Development Bank
• BIS : Bank for International Settlements
• OPEC Fund : OPEC Fund for International Development
• IDA : International Development Association
• FEAS : Federation of Euro-Asian Stock Exchanges
• BSTDB : Black Sea Trade and Development Bank
• ADB : African Development Bank
• IFC : International Finance Corporation
• BIPM : International Bureau of Weights and Measures
• EBRD : European Bank for Reconstruction and Development

International Agricultural and Research Organization.

• ILRI : International Livestock Research Institute
• CIFOR : Center for International Forestry Research
• ICRAF : International Centre for Research in Agroforestry
• CIP : International Potato Center
• CIAT : International Center for Tropical Agriculture
• ICRISAT : International Crops Research Institute for the Semi-Arid Tropics
• IRRI : International Rice Research Institute
• IWMI : International Water Management Institute
• CIMMYT : International Maize and Wheat Improvement Center
• IITA : International Institute of Tropical Agriculture
• IFPRI : International Food Policy Research Institute
• ICARDA : International Center for Agricultural Research in the Dry Areas

International Educational Organization and Universities.

• UNIDROIT : International Institute for the Unification of Private Law
• AIT : Asian Institute of Technology
• ERA : Academy of European Law
• UNU : United Nations University
• MUN : Model United Nations
• IBE : International Bureau of Education
• EUI : European University Institute
• COL : Commonwealth of Learning

List of International Environmental Organization.

• ACAP : Agreement on the Conservation of Albatrosses and Petrels
• GEF : Global Environment Facility
• GGGI : Global Green Growth Institute
• IPCC : Intergovernmental Panel on Climate Change
• IUCN : The International Union for Conservation of Nature
• PEMSEA : Partnerships in Environmental Management for the Seas of East Asia
• UNEP : United Nations Environment Programme

List of International Energy Organization.

• ECT : Energy Charter Treaty
• IIASA : International Institute for Applied Systems Analysis
• IEF : International Energy Forum
• UNIDO : United Nations Industrial Development Organization
• IEA : International Energy Agency :
• WANO : World Association of Nuclear Operators
• NEA : Nuclear Energy Agency
• UNAEC : United Nations Atomic Energy Commission
• KEDO : Korean Peninsula Energy Development Organization
• NEA : International Atomic Energy Agency
• Euratom : European Atomic Energy Community :
• REEEP : Renewable Energy and Energy Efficiency Partnership
• IRENA : International Renewable Energy Agency
• ISA : International Solar Alliance
• SE4ALL : Sustainable Energy for All

International Regional Organization (Europe)

• EPO : European Patent Organisation
• ESA : European Space Agency
• EFDA : European Fusion Development Agreement
• WEU : Western European Union
• ICCS : International Commission on Civil Status
• NDPHS : Northern Dimension Partnership in Public Health and Social Well-being
• G9 : Group of 9
• CBSS : Council of the Baltic Sea States
• EUMETSAT : European Organisation for the Exploitation of Meteorological Satellites
• COST : European Cooperation in Science and Technology
• AER : Assembly of European Regions
• CCNR : Central Commission for Navigation on the Rhine
• EMBL : European Molecular Biology Laboratory
• NIB : Nordic Investment Bank
• ESRF : European Synchrotron Radiation Facility
• CoE : Council of Europe
• WNC : West Nordic Council
• OCCAR : Organisation for Joint Armament Cooperation
• ECMWF : European Centre for Medium-range Weather Forecasts
• EFTA : European Free Trade Association
• AITIC : Agency for International Trade Information and Cooperation
• ESF : European Science Foundation
• BIC : British–Irish Council
• EU : European Union
• CEI : Central European Initiative
• ESO : European Southern Observatory

International Regional Organization (Asia).

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

International Fisheries Organization.

• NAFO : Northwest Atlantic Fisheries Organization
• IATTC : Inter-American Tropical Tuna Commission
• NASCO : North Atlantic Salmon Conservation Organization
• GLFC : Great Lakes Fishery Commission
• WCPFC : Western and Central Pacific Fisheries Commission
• APFIC : Asia-Pacific Fishery Commission
• IPHC : International Pacific Halibut Commission
• PSC : Pacific Salmon Commission
• SEAFDEC : Southeast Asian Fisheries Development Center
• ICCAT : International Commission for the Conservation of Atlantic Tunas
• IWC : International Whaling Commission
• IOTC : Indian Ocean Tuna Commission
• NEAFC : North-East Atlantic Fisheries Commission
• CCAMLR : Commission for the Conservation of Antarctic Marine Living Resources

International Law Enforcement Organization.

• PCA : Permanent Court of Arbitration
• ICC : International Criminal Court
• Interpol : International Criminal Police Organization

 International Ideological & Political Groupings.

• NPDI : Non-Proliferation and Disarmament Initiative
• AOSIS : Alliance of Small Island States
• WEOG : Western European and Others Group
• AWEB : Association of World Election Bodies
• BRICS : Brazil, Russia, India, China, South Africa
• ALBA : Bolivarian Alliance for the Americas
• NAC : New Agenda Coalition
• NAM : Non-Aligned Movement
• G-15 : Group of 15
• G20 : Group of 20
• G24 : Group of 24
• G-77 : Group of 77

List of International Transport Organization.

• ICAO : International Civil Aviation Organization
• SETC : Southeast Europe Transport Community
• OTIF : Intergovernmental Organisation for International Carriage by Rail
• TRACECA : Transport Corridor Europe-Caucasus-Asia

List of International Others Organization.

• IOR-ARC : Indian Ocean Rim Association for Regional Cooperation
• MSG : Melanesian Spearhead Group
• OPCW : Organisation for the Prohibition of Chemical Weapons
• MTCR : Missile Technology Control Regime
• NATO : North Atlantic Treaty Organization
• USAN : Union of South American Nations
• EAC : East African Community
• ASEF : Asia-Europe Foundation
• CSTO : Collective Security Treaty Organization
• CELAC : Community of Latin American and Caribbean States
• CIS : Commonwealth of Independent States
• OECS : Organisation of Eastern Caribbean States
• SPREP : Pacific Regional Environment Programme
• SADC : Southern African Development Community
• CARICOM : Caribbean Community
• IOC : Indian Ocean Commission
• CABEI : Central American Bank for Economic Integration
• OSCE : Organization for Security and Co-operation in Europe
• OAS : Organization of American States
• ACS : Association of Caribbean States
• ECOWAS : Economic Community of West African States
• EAEU : Eurasian Economic Union
• IGAD : Intergovernmental Authority on Development
• ECO : Economic Cooperation Organization
• SCO : Shanghai Cooperation Organisation
• BSEC : Organization of the Black Sea Economic Cooperation

This is the complete list of international organizations, and we hope this article is helpful for you.

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