| International organizations | Established | Headquarters | Current Head |
| United Nations Organisation | 24th October 1945 | New York, USA | Antonio Guterres |
| United Nations Children’s Emergency Fund (UNICEF) | 11th December 1946 | New York, USA | Henrietta H. Fore |
| United Nations Population Fund (UNFPA) | New York, USA | ||
| United Nations Security Council (UNSC) | New York, USA | ||
| International Monetary Fund (IMF) | 27 December 1945 | Washington DC, United States | Chief Economist – Gita Gopinath |
| World Bank | July 1944 | Washington DC, United States | David Malpass |
| World Health Organisation (WHO) | 7 April 1948 | Geneva, Switzerland | Director-General – Tedros Adhanom |
| International Labour Organisation | Geneva, Switzerland | ||
| International Committee of the Red Cross | Geneva, Switzerland | ||
| World Trade Organisation | 1 January 1995 | Geneva, Switzerland | Roberto Azevêdo |
| World Meteorological Organisation (WMO) | Geneva, Switzerland | ||
| World Intellectual Property Organization (WIPO) | Geneva, Switzerland | ||
| International Organization for Standardization | Geneva, Switzerland | ||
| World wide Fund for Nature | Gland, Switzerland | ||
| International Olympic Committee | Lausanne, Switzerland | ||
| United Nations High Commissioner for Refugees (UNHCR) | Geneva, Switzerland | ||
| Office of the High Commissioner for Human Rights (OHCHR) | Geneva, Switzerland | ||
| Universal Postal Union | Berne, Switzerland | ||
| United Nations Conference on Trade and Development (UNCTAD) | Geneva, Switzerland | ||
| United Nations Educational Scientific and Cultural Organisation (UNESCO) | 16 November 1945 | Paris, France | Audrey Azoulay |
| United Nations Industrial Development Organization (UNIDO) | Vienna, Austria | ||
| International Atomic Energy Agency (IAEA) | Vienna, Austria | ||
| Organization of Petroleum Exporting Countries (OPEC) | Vienna, Austria | ||
| International Maritime Organisation (IMO) | London, United Kingdom | ||
| Commonwealth of Nations | London, United Kingdom | ||
| Amnesty International | London, United Kingdom | ||
| Food and Agricultural Organisation (FAO) | Rome, Italy | ||
| North Atlantic Treaty Organisation (NATO) | Brussels, Belgium | ||
| Association of Southeast Asian Nations (ASEAN) | Jakarta, Indonesia | ||
| Asia-Pacific Economic Cooperation (APEC) | Queenstown, Singapore | ||
| International Renewable Energy Agency | Abu Dhabi (UAE) | ||
| South Asian Association for Regional Cooperation | Kathmandu, Nepal | ||
| Organization of Islamic Cooperation | Jeddah, Saudi Arabia | ||
| Indian Ocean Rim Association for Regional Cooperation | Ebene, Mauritius | ||
|
Organization for the Prohibition of Chemical Weapons | The Hague, The Netherlands | ||
| World Economic Forum | Cologny-Geneva, Switzerland | ||
| International Union for Conservation of Nature (IUCN) | Gland, Switzerland | ||
| International Council on Monuments and Sites (ICOMOS) | Paris, France | ||
| United Nations Environment Programme (UNEP) | Nairobi, Kenya | ||
| United Nations High Commissioner for Refugees (UNHCR) | Geneva, Switzerland | ||
| United Nations Office on Drugs and Crime (UNODC) | Vienna, Austria | ||
| International Civil Aviation Organization (ICAO) | Montreal, Canada | ||
| United Nations Development Programme (UNDP) | New York, USA | ||
| International Fund for Agricultural Development (IFAD) | Rome, Italy | ||
| International Telecommunication Union (ITU) | Geneva, Switzerland | ||
| United Nations World Tourism Organization (UNWTO) | Madrid, Spain | ||
| United Nations University (UNU) | Tokyo, Japan | ||
| International Court of Justice (ICJ) | The Hague, Netherlands | ||
| World Food Programme (WFP) | Rome, Italy |
List of Different Organization and their Head Quaters