An international organization is an organization with an international membership, scope, or presence.
| Sl No. | International Organization Name | Established in |
| 40 | World Intellectual Property Organization(WIPO) | 1967 |
| 41 | World Meteorological Organization (WMO) | 1950 |
| 42 | World Tourism Organization (UNWTO) | 1974 |
| 43 | InternationalUnionfor Conservation of Nature (IUCN) | 1948 |
| 44 | International Organization for Migration (IOM) | 1951 |
| 45 | International Council for the Exploration of the Sea (ICES) | 1902 |
| 46 | Nuclear Suppliers Group (NSG) | 1974 |
| 47 | International Atomic Energy Agency (IAEA) | 1957 |
| 48 | United Nations Atomic Energy Commission (UNAEC) | 1946 |
| 49 | Asian Development Bank (ADB) | 1966 |
| 50 | OPEC Fund for International Development (OPEC Fund) | 1976 |
| 51 | World Bank Group (WBG) | 1945 |
| 52 | International Bank for Reconstruction and Development (IBRD) | 1945 |
| 53 | International Development Association (IDA) | 1960 |
| 54 | International Finance Corporation (IFC) | 1956 |
| 55 | Multilateral Investment Guarantee Agency (MIGA) | 1988 |
| 56 | International Centre for Settlement of Investment Disputes (ICSID) | 1966 |
| 57 | World Customs Organization (WCO) | 1953 |
| 58 | Council ofEurope(CoE) | 1949 |
| 59 | European Free Trade Association (EFTA) | 1960 |
| 60 | European Patent Organisation (EPO) | 1977 |
| 61 | European Science Foundation | 1974 |
| 62 | Economic Cooperation Organization (ECO) | 1985 |
| 63 | Asia-Pacific Economic Cooperation (APEC) | 1989 |
| 64 | AfricanUnion(AU) | 2002 |
| 65 | Organization of American States (OAS) | 1948 |
| 66 | Community of Portuguese Language Countries (CPLP) | 1996 |
| 67 | Arab League | 1945 |
| 68 | Organisation of the Islamic Conference | 1969 |
| 69 | Group of 15 (G-15) | 1989 |
| 70 | International Development Association (IDA) | 1960 |
| 71 | International Fund for Agricultural Development (IFAD) | 1977 |
| 72 | International Finance Corporation (IFC) | 1956 |
| 73 | International Federation of Red Cross and Red Crescent Societies (IFRCS) | 1919 |
| 74 | International Olympic Committee (IOC) | 1894 |
| 75 | International Organization for Standardization (ISO) | 1947 |
| 76 | International TelecommunicationUnion(ITU) | 1865 |
| 77 | Organization for the Prohibition of Chemical Weapons (OPCW) | 1997 |
| 78 | Shanghai Cooperation Organization (SCO) | 1996 |
