General UN Websites
- The UN Specialized agencies (autonomous organizations joined to the UN through special agreements) are inter-filed United Nations
- Organization Chart of the United Nations System
- Dag Hammarskjold Library
- Departments of the UN Secretariat
- Other offices, programmes and regional commissions
- Global Issues on the UN Agenda
- Permanent Missions to the United Nations - New York
- The Specialized Agencies
- United Nations Cartographic Section
- United Nations CyberSchoolBus Resource Source [easy-to-use, basic facts databases]
- United Nations News Centre
- United Nations Press Releases - Full Text Search
- United Nations Office at Geneva
- United Nations Office at Vienna
- United Nations web sites organized by area of interest Economic and Social Development
- Subject Index to Economic and Social Development
United Nations Regions
- United Nations Economic and Social Commission for Asia and the Pacific (ESCAP)
- United Nations Economic and Social Commission for Western Asia (ESCWA)
- United Nations Economic Commission for Africa (ECA)
- United Nations Economic Commission for Europe (ECE)
- United Nations Economic Commission for Latin America and the Caribbean (ECLAC)
United Nations Agencies
- United Nations Children's Fund (UNICEF)
- United Nations Conference on Trade and Development (UNCTAD)
- United Nations Development Programme (UNDP)
- United Nations Population Fund (UNFPA)
- United Nations Research Institute for Social Development (UNRISD)
- Peace and Security
- United Nations Peacekeeping 1948-2002
- Human Rights
- Intergovernmental Panel on Climate Change (IPCC)
- International Court of Justice (ICJ)
- International Criminal Court (ICC)
- International Criminal Tribunal for the Former Yugoslavia
- International Criminal Tribunal for Rwanda (ICTR)
- International Fund for Agricultural Development (IFAD)
- Humanitarian Affairs
- Office of the UN High Representative for the Least Developed Countries, Landlocked Developing Countries and Small Island Developing States (OHRLLS)
- Reliefweb
- United Nations High Commissioner for Refugees (UNHCR)
- Statistics
- REFWORLD (a collection of full-text databases)
- Maps
- International Law
- United Nations Educational, Scientific and Cultural Organization (UNESCO)
- United Nations Industrial Development Organization (UNIDO)
Environmental organizations
- Agreement on the Conservation of Albatrosses and Petrels (ACAP)
- Global Environment Facility (GEF)
- International Union for Conservation of Nature (IUCN)
- Partnerships in Environmental Management for the Seas of East Asia (PEMSEA)
- United Nations Environment Programme (UNEP)
Fisheries organizations
- Asia-Pacific Fishery Commission (APFIC)
- Commission for the Conservation of Antarctic Marine Living Resources (CCAMLR)
- Commission for the Conservation of Southern Bluefin Tuna (CCSBT)
- Great Lakes Fishery Commission (GLFC)
- Indian Ocean Tuna Commission (IOTC)
- Inter-American Tropical Tuna Commission (IATTC)
- International Commission for the Conservation of Atlantic Tunas (ICCAT)
- International Pacific Halibut Commission (IPHC)
- International Whaling Commission (IWC)
- Network of Aquaculture Centres in Asia-Pacific (NACA)
- Northwest Atlantic Fisheries Organization (NAFO)
- North Atlantic Salmon Conservation Organization (NASCO)
- North Pacific Anadromous Fish Commission (NPAFC)
- Pacific Salmon Commission (PSC)
- Southeast Asian Fisheries Development Center (SEAFDEC)
- Western and Central Pacific Fisheries Commission (WCPFC)
Migration organizations
- International Organization for Migration (IOM)
- International Centre for Migration Policy Development (ICMPD)
Maritime organizations
- Antarctic Treaty Secretariat (ATS)
- International Hydrographic Organization
- International Maritime Organization
- International Seabed Authority
- International Council for the Exploration of the Sea (ICES)
- North Pacific Marine Science Organization (PICES)
Arms control
- Organization for Security and Co-operation in Europe (OSCE)
- Conference on Disarmament
- Organisation for the Prohibition of Chemical Weapons
- 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
- Energy Charter
- Energy Community
- United Nations Industrial Development Organization (UNIDO)
- International Institute for Applied Systems Analysis (IIASA)
- International Energy Forum (IEF)
Sustainable energy organizations
- International Renewable Energy Agency (IRENA)
- Sustainable Energy for All (SU4ALL)
- Renewable Energy and Energy Efficiency Partnership (REEEP)
Nuclear power organizations
- European Atomic Energy Community
- International Atomic Energy Agency
- International Centre for Synchrotron-Light for Experimental Science Applications in the Middle East
- ITER International Organization
- Korean Peninsula Energy Development Organization
- Nuclear Energy Agency
- United Nations Atomic Energy Commission
- World Association of Nuclear Operators
Financial, trade, and customs organizations
- Alliance for Financial Inclusion (AFI)
- African Development Bank
- Asian Development Bank
- Asian Infrastructure Investment Bank
- Bank for International Settlements
- Black Sea Trade and Development Bank (BSTDB)
- Caribbean Development Bank (CDB)
- Council of Europe Development Bank (CEB)
- Inter-American Development Bank
- International Bureau of Weights and Measures (BIPM)
- International Energy Agency (IEA)
- International Fund for Agricultural Development (IFAD)
- International Development Law Organization (IDLO),headquartered in Rome (www.idlo.int)
- International Monetary Fund (IMF)
- Islamic Development Bank (IDB)
- Netherlands Development Finance Company (FMO)
- Nordic Development Fund (NDF)
- Nordic Investment Bank (NIB)
- New Development Bank (NDB)
- OPEC Fund for International Development (OPEC Fund)
- Organisation for Economic Co-operation and Development (OECD)
- International Organization for Economic Development (IOED)
- Organization of Petroleum-Exporting Countries (OPEC)
- West African Development Bank (BOAD)
- World Bank Group
- World Customs Organization (WCO)
- World Trade Organization (WTO)
Law enforcement cooperation
- International Criminal Court
- International Criminal Police Organization (Interpol)
Regional organizations
Organisations grouping almost all the countries in their respective continents. Note that Russia is member of both the Council of Europe (COE) and the Asia Cooperation Dialogue (ACD), and Cuba is a suspended member of the Organization of American States (OAS).
Several smaller regional organizations with non-overlapping memberships.
Several non-overlapping large alliances. Softer colours indicate observer/associate or candidate countries.
Europe
European Union (EU)
- Council of Europe (CoE)
- Energy Community
- European Free Trade Association (EFTA)
- European Patent Organisation (EPO)
- European Science Foundation
- European Organisation for the Safety of Air Navigation (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)
- Baltic Black Sea Union (BBSU)
- Assembly of European Regions (AER)
- Eiroforum
- CERN
- European Fusion Development Agreement (EFDA JET)
- European Molecular Biology Laboratory (EMBL)
- European Space Agency (ESA)
- European Organisation for the Exploitation of Meteorological Satellites (EUMETSAT)
- European Southern Observatory (ESO)
- European Synchrotron Radiation Facility (ESRF)
- European x-ray free electron laser (European XFEL)
- Institut Laue–Langevin (ILL)
- Baltic Marine Environment Protection Commission
- Benelux
- Belgium–Luxembourg Economic Union
- British–Irish Council
- Nordic Council
- Nordic Investment Bank
- 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)
Asia
- Asia Cooperation Dialogue (ACD)
- Asian Development Bank (ADB)
- East Asia Summit (EAS)
- Association of Southeast Asian Nations (ASEAN)
- Bay of Bengal Initiative for Multi-Sectoral Technical and Economic Cooperation (BIMSTEC)
- Colombo Plan
- 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
- Eurasia
- Central Asian Cooperation Organization
- Collective Security Treaty Organization (CSTO)
- Commonwealth of Independent States (CIS)
- Economic Cooperation Organization (ECO)
- Eurasian Economic Community
- GUAM Organization for Democracy and Economic Development
- Organization of the Black Sea Economic Cooperation (BSEC)
- Shanghai Cooperation Organisation (SCO)
- TRACECA
- Turkic Council (TurkKon)
- Trans-Atlantic
Africa
- African Union
- Conseil de l'Entente
- Economic ommunity 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
Americas
- Justice Studies Center of the Americas (JSCA)
- 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
- Organización Latinoamericana de Energia (OLADE)