| Abbreviation,Name,City,Country,Province,Established | |
| Abbreviation,Name,City,Coun,Province,\N | |
| ABEDA,Arab Bank for Economic Development in Africa,Khartoum,SUD,al Khartum,1974-02-18 | |
| ACC,Arab Cooperation Council,\N,\N,\N,1989-02-16 | |
| ACCT,Agency for Cultural and Technical Cooperation,Paris,F,Ile de France,1970-03-21 | |
| ACP,"African, Caribbean, and Pacific Countries",Brussels,B,Brabant,1976-04-01 | |
| AfDB,African Development Bank,Abidjan,CI,Cote dIvoire,1963-08-04 | |
| AFESD,Arab Fund for Economic and Social Development,\N,\N,\N,1968-05-16 | |
| AG,Andean Group,Lima,PE,Lima,1969-05-26 | |
| AL,Arab League,Cairo,ET,El Qahira,1945-03-22 | |
| AMF,Arab Monetary Fund,Abu Dhabi,UAE,Abu Dhabi,1976-04-27 | |
| AMU,Arab Maghreb Union,Rabat,MA,Morocco,1989-02-17 | |
| ANC,North Atlantic Cooperation Council,Brussels,B,Brabant,1991-11-08 | |
| ANZUS,Australia-New Zealand-United States Security Treaty,Canberra,AUS,Australia Capital Territory,1951-09-01 | |
| APEC,Asia Pacific Economic Cooperation,Singapore,SGP,Singapore,1989-11-07 | |
| AsDB,Asian Development Bank,Manila,RP,Philippines,1966-12-19 | |
| ASEAN,Association of Southeast Asian Nations,Jakarta,RI,Indonesia,1967-08-09 | |
| BCIE,Central American Bank for Economic Integration,Tegucigalpa,HCA,Francisco Morazan,1960-12-13 | |
| BDEAC,Central African States Development Bank,Brazzaville,RCB,Congo,1975-12-03 | |
| Benelux,Benelux Economic Union,Brussels,B,Brabant,1958-02-03 | |
| BIS,Bank for International Settlements,Basel,CH,BS,1930-01-20 | |
| BSEC,Black Sea Economic Cooperation Zone,\N,\N,\N,1992-06-25 | |
| C,Commonwealth,London,GB,Greater London,1931-12-31 | |
| CACM,Central American Common Market,Guatemala City,GCA,Guatemala,1960-12-13 | |
| CAEU,Council of Arab Economic Unity,Amman,JOR,Jordan,1957-06-03 | |
| Caricom,Caribbean Community and Common Market,Georgetown,GUY,Guyana,1973-07-04 | |
| CBSS,Council of the Baltic Sea States,\N,\N,\N,1992-03-05 | |
| CCC,Customs Cooperation Council,Brussels,B,Brabant,1950-12-15 | |
| CDB,Caribbean Development Bank,\N,\N,\N,1969-10-18 | |
| CE,Council of Europe,Strasbourg,F,Alsace,1949-05-05 | |
| CEEAC,Economic Community of Central African States,Libreville,G,Gabon,1983-10-18 | |
| CEI,Central European Initiative,Budapest,H,Budapest (munic.),1991-07-27 | |
| CEPGL,Economic Community of the Great Lakes Countries,\N,\N,\N,1976-09-26 | |
| CERN,European Organization for Nuclear Research,Geneva,CH,GE,1953-07-01 | |
| CIS,Commonwealth of Independent States,Minsk,BY,Belarus,1991-12-08 | |
| CP,Colombo Plan,Colombo,CL,Sri Lanka,1951-07-01 | |
| EADB,East African Development Bank,Kampala,EAU,Uganda,1967-06-06 | |
| EBRD,European Bank for Reconstruction and Development,London,GB,Greater London,1991-04-15 | |
| ECA,Economic Commission for Africa,Addis Ababa,ETH,Ethiopia,1958-04-29 | |
| ECE,Economic Commission for Europe,Geneva,CH,GE,1947-03-28 | |
| ECLAC,Economic Commission for Latin America and the Caribbean,Santiago,RCH,Chile,1948-02-25 | |
| ECO,Economic Cooperation Organization,Tehran,IR,Tehran,1985-01-01 | |
| ECOWAS,Economic Community of West African States,Lagos,WAN,Nigeria,1975-05-28 | |
| EFTA,European Free Trade Association,Geneva,CH,GE,1960-01-04 | |
| EIB,European Investment Bank,Luxembourg,L,Luxembourg,1957-03-25 | |
| EN,Nuclear Energy Agency,\N,\N,\N,1958-01-01 | |
| Entente,Council of the Entente,Abidjan,CI,Cote dIvoire,1959-05-29 | |
| ESA,European Space Agency,Paris,F,Ile de France,1973-07-31 | |
| ESCAP,Economic and Social Commission for Asia and the Pacific,Bangkok,THA,Thailand,1947-03-28 | |
| ESCWA,Economic and Social Commission for Western Asia,Amman,JOR,Jordan,1973-08-09 | |
| EU,European Union,Brussels,B,Brabant,1992-02-07 | |
| FAO,Food and Agriculture Organization,Rome,I,Lazio,1945-10-16 | |
| FZ,Franc Zone,Paris,F,Ile de France,1945-12-20 | |
| G-10,Group of 10,Paris,F,Ile de France,1962-10-01 | |
| G-11,Group of 11,\N,\N,\N,1984-06-22 | |
| G-15,Group of 15,Geneva,CH,GE,\N | |
| G-19,Group of 19,\N,\N,\N,1975-10-01 | |
| G-2,Group of 2,\N,\N,\N,\N | |
| G-24,Group of 24,Brussels,B,Brabant,1972-01-01 | |
| G-3,Group of 3,\N,\N,\N,1990-10-01 | |
| G-5,Group of 5,\N,\N,\N,1985-09-22 | |
| G-6,Group of 6,\N,\N,\N,1984-05-22 | |
| G-7,Group of 7,\N,\N,\N,1985-09-22 | |
| G-77,Group of 77,\N,\N,\N,1967-10-01 | |
| G-8,Group of 8,\N,\N,\N,1975-10-01 | |
| G-9,Group of 9,\N,\N,\N,\N | |
| GCC,Gulf Cooperation Council,Riyadh,SA,Saudi Arabia,1981-05-25 | |
| IADB,Inter-American Development Bank,Washington,USA,Distr. Columbia,1959-04-08 | |
| IAEA,International Atomic Energy Agency,Vienna,A,Vienna,1956-10-26 | |
| IBRD,International Bank for Reconstruction and Development,Washington,USA,Distr. Columbia,1944-07-22 | |
| ICAO,International Civil Aviation Organization,Montreal,CDN,Quebec,1944-12-07 | |
| ICC,International Chamber of Commerce,Paris,F,Ile de France,1919-01-01 | |
| ICFTU,International Confederation of Free Trade Unions,Brussels,B,Brabant,1949-12-01 | |
| ICRM,International Red Cross and Red Crescent Movement,Geneva,CH,GE,1928-01-01 | |
| IDA,International Development Association,Washington,USA,Distr. Columbia,1960-01-26 | |
| IDB,Islamic Development Bank,Jeddah,SA,Saudi Arabia,1973-12-15 | |
| IEA,International Energy Agency,Paris,F,Ile de France,1974-11-15 | |
| IFAD,International Fund for Agricultural Development,Rome,I,Lazio,1974-11-01 | |
| IFC,International Finance Corporation,Washington,USA,Distr. Columbia,1955-05-25 | |
| IFRCS,International Federation of Red Cross and Red Crescent Societies,Geneva,CH,GE,1919-05-05 | |
| IGADD,Inter-Governmental Authority on Drought and Development,Djibouti,DJI,Djibouti,1986-01-15 | |
| ILO,International Labor Organization,Geneva,CH,GE,1919-04-11 | |
| IMF,International Monetary Fund,Washington,USA,Distr. Columbia,1944-07-22 | |
| IMO,International Maritime Organization,London,GB,Greater London,1958-03-17 | |
| Inmarsat,International Mobile Satellite Organization,London,GB,Greater London,1976-09-03 | |
| Intelsat,International Telecommunications Satellite Organization,Washington,USA,Distr. Columbia,1971-08-20 | |
| Interpol,International Criminal Police Organization,Lyon,F,Rhone Alpes,1956-06-13 | |
| IOC,International Olympic Committee,Lausanne,CH,VD,1894-06-23 | |
| IOM,International Organization for Migration,Geneva,CH,GE,1951-12-05 | |
| ISO,International Organization for Standardization,Geneva,CH,GE,1947-02-01 | |
| ITU,International Telecommunication Union,Geneva,CH,GE,1932-12-09 | |
| LAES,Latin American Economic System,Caracas,YV,Distrito Federal,1975-10-17 | |
| LAIA,Latin American Integration Association,Montevideo,ROU,Uruguay,1980-08-12 | |
| Mekong Group,ASEAN-Mekong Basin Development Group,\N,\N,\N,1995-12-01 | |
| Mercosur,Southern Cone Common Market,Buenos Aires,RA,Distrito Federal,1991-03-26 | |
| MINURSO,United Nations Mission for the Referendum in Western Sahara,New York,USA,New York,1991-04-29 | |
| MTCR,Missile Technology Control Regime,\N,\N,\N,1987-04-16 | |
| NAM,Nonaligned Movement,Jakarta,RI,Indonesia,1961-09-01 | |
| NATO,North Atlantic Treaty Organization,Brussels,B,Brabant,1949-09-17 | |
| NC,Nordic Council,Stockholm,S,Stockholm,1952-03-16 | |
| NIB,Nordic Investment Bank,Helsinki,SF,Uusimaa,1975-12-04 | |
| NSG,Nuclear Suppliers Group,Vienna,A,Vienna,\N | |
| OAPEC,Organization of Arab Petroleum Exporting Countries,\N,\N,\N,1968-01-09 | |
| OAS,Organization of American States,Washington,USA,Distr. Columbia,1948-04-30 | |
| OAU,Organization of African Unity,Addis Ababa,ETH,Ethiopia,1963-05-25 | |
| OECD,Organization for Economic Cooperation and Development,Paris,F,Ile de France,1960-12-14 | |
| OECS,Organization of Eastern Caribbean States,Castries,WL,Saint Lucia,1981-06-18 | |
| OIC,Organization of the Islamic Conference,Jeddah,SA,Saudi Arabia,1969-09-22 | |
| OPANAL,Agency for the Prohibition of Nuclear Weapons in Latin America and the Caribbean,Mexico City,MEX,Distrito Federal,1967-02-14 | |
| OPEC,Organization of Petroleum Exporting Countries,Vienna,A,Vienna,1960-09-14 | |
| OSCE,Organization for Security and Cooperation in Europe,Vienna,A,Vienna,1995-01-01 | |
| PCA,Permanent Court of Arbitration,\N,\N,\N,1899-07-29 | |
| PFP,Partnership for Peace,\N,\N,\N,1994-01-10 | |
| RG,Rio Group,\N,\N,\N,1988-01-01 | |
| SAARC,South Asian Association for Regional Cooperation,Kathmandu,NEP,Nepal,1985-12-08 | |
| SACU,Southern African Customs Union,Pretoria,RSA,Gauteng,1969-12-11 | |
| SADC,Southern African Development Community,Gaborone,RB,Botswana,1992-08-17 | |
| Sparteca,South Pacific Regional Trade and Economic Cooperation Agreement,\N,\N,\N,1981-01-01 | |
| SPC,South Pacific Commission,Noumea,NCA,New Caledonia,1947-02-06 | |
| SPF,South Pacific Forum,Suva,FJI,Fiji,1971-08-05 | |
| UDEAC,Central African Customs and Economic Union,Bangui,RCA,Central African Republic,1964-12-08 | |
| UN,United Nations,New York,USA,New York,1945-06-26 | |
| UNAMIR,United Nations Assistance Mission for Rwanda,New York,USA,New York,1993-10-05 | |
| UNAVEM III,United Nations Angola Verification Mission,New York,USA,New York,1988-12-20 | |
| UNCRO,United Nations Confidence Restoration Operation in Croatia,New York,USA,New York,1995-03-31 | |
| UNCTAD,United Nations Conference on Trade and Development,Geneva,CH,GE,1964-12-30 | |
| UNDOF,United Nations Disengagement Observer Force,Damascus,SYR,Syria,1974-05-31 | |
| UNESCO,"United Nations Educational, Scientific, and Cultural Organization",Paris,F,Ile de France,1945-11-16 | |
| UNFICYP,United Nations Force in Cyprus,New York,USA,New York,1964-03-04 | |
| UNHCR,United Nations Office of the High Commissioner for Refugees,Geneva,CH,GE,1949-12-03 | |
| UNIDO,United Nations Industrial Development Organization,Vienna,A,Vienna,1966-11-17 | |
| UNIFIL,United Nations Interim Force in Lebanon,New York,USA,New York,1978-03-19 | |
| UNIKOM,United Nations Iraq-Kuwait Observation Mission,New York,USA,New York,1991-04-09 | |
| UNITAR,United Nations Institute for Training and Research,\N,\N,\N,1963-12-11 | |
| UNMIH,United Nations Mission in Haiti,New York,USA,New York,1993-09-23 | |
| UNMOGIP,United Nations Military Observer Group in India and Pakistan,New York,USA,New York,1948-08-13 | |
| UNMOT,United Nations Mission of Observers in Tajikistan,New York,USA,New York,1994-12-16 | |
| UNOMIG,United Nations Observer Mission in Georgia,New York,USA,New York,\N | |
| UNOMIL,United Nations Observer Mission in Liberia,New York,USA,New York,1993-09-22 | |
| UNPREDEP,United Nations Preventive Deployment Force,\N,\N,\N,1995-03-31 | |
| UNPROFOR,United Nations Protection Force,New York,USA,New York,1992-02-28 | |
| UNRWA,United Nations Relief and Works Agency for Palestine Refugees in the Near East,Vienna,A,Vienna,1949-12-08 | |
| UNTSO,United Nations Truce Supervision Organization,Jerusalem,IL,Central,1948-05-01 | |
| UNU,United Nations University,\N,\N,\N,1973-12-06 | |
| UPU,Universal Postal Union,Bern,CH,BE,1874-10-09 | |
| WADB,West African Development Bank,Lome,RT,Togo,1973-11-14 | |
| WCL,World Confederation of Labor,Brussels,B,Brabant,1920-06-19 | |
| WEU,Western European Union,Brussels,B,Brabant,1954-10-23 | |
| WFTU,World Federation of Trade Unions,Prague,CZ,Praha,1945-10-03 | |
| WHO,World Health Organization,Geneva,CH,GE,1946-07-22 | |
| WIPO,World Intellectual Property Organization,Geneva,CH,GE,1967-07-14 | |
| WMO,World Meteorological Organization,Geneva,CH,GE,1947-10-11 | |
| WToO,World Tourism Organization,Madrid,E,Madrid,1975-01-02 | |
| WTrO,World Trade Organization,\N,\N,\N,1994-04-15 | |
| ZC,Zangger Committee,\N,\N,\N,\N | |