United Nations General Assembly observers

The International Tribunal for the Law of the Sea (ITLOS) is an intergovernmental organization created by the mandate of the Third United Nations Conference on the Law of the Sea.

The South Asian Association for Regional Cooperation (SAARC) is the regional intergovernmental organization and geopolitical union of nations in South Asia.

The Organization of the Black Sea Economic Cooperation (BSEC) is a regional international organization focusing on multilateral political and economic initiatives aimed at fostering cooperation, peace, stability and prosperity in the Black Sea region.

The International Hydrographic Organization (IHO) is the inter-governmental organisation representing hydrography.

The Eurasian Economic Community (EAEC or EurAsEC) was a regional organisation between 2000 and 2014 which aimed for the economic integration of its member states.

The Inter-Parliamentary Union (IPU; French: Union Interparlementaire (UIP)) is a global inter-parliamentary institution established in 1889 by Frédéric Passy (France) and William Randal Cremer (United Kingdom).

The Economic Community of Central African States (ECCAS; French: Communauté Économique des États de l'Afrique Centrale, CEEAC; Spanish: Comunidad Económica de los Estados de África Central, CEEAC; Portuguese: Comunidade Económica dos Estados da África Central, CEEAC) is an Economic Community of the African Union for promotion of regional economic co-operation in Central Africa.

The Economic Community of West African States (ECOWAS; French: Communauté économique des États de l'Afrique de l'Ouest, CEDEAO) is a regional group of fifteen West African countries.

The International Olympic Committee (IOC; French: Comité international olympique, CIO) is an international, non-profit, non-governmental organization based in Lausanne, Switzerland, created by Pierre de Coubertin, on 23 June 1894 with Demetrios Vikelas as its first president.

The Economic Cooperation Organisation or ECO (Persian: سازمان همکاری اقتصادی‎‎, Urdu: اقتصادی تعاون تنظیم‎, Turkish: Ekonomik İşbirliği Teşkilatı, Kazakh: Экономикалық ынтымақтастық ұйымы, Uzbek: Iqtisodiy Hamkorlik Tashkiloti, Kyrgyz: Экономикалык Кызматташтык Уюмунун, Azerbaijani: İqtisadi Əməkdaşlıq Təşkilatı, Tajik: Ташкилоти ҳамкории иқтисодӣ, Pashto: اقتصادي همکاريو د سازمان‎) is a Eurasian political and economic intergovernmental organization which was founded in 1985 in Tehran by the leaders of Iran, Pakistan and Turkey.

The Association of Southeast Asian Nations (ASEAN /ˈɑːsi.ɑːn/ AH-see-ahn, /ˈɑːzi.ɑːn/ AH-zee-ahn) is a regional organisation comprising ten Southeast Asian states which promotes intergovernmental cooperation and facilitates economic integration amongst its members.

The Southern African Development Community (SADC) is an inter-governmental organization headquartered in Gaborone, Botswana.

The Council of Europe (CoE; French: Conseil de l'Europe) is an international organisation focused on promoting human rights, democracy and the rule of law in Europe.

The Asian Development Bank (ADB) is a regional development bank established on 19 December 1966 which is headquartered in Ortigas Center located in Mandaluyong, Metro Manila, Philippines, and maintains 31 field offices around the world, to promote social and economic development in Asia.

The International Seabed Authority (ISA) (French: Autorité internationale des fonds marins, Spanish: Autoridad Internacional de los Fondos Marinos) is an intergovernmental body based in Kingston, Jamaica, that was established to organize, regulate and control all mineral-related activities in the international seabed area beyond the limits of national jurisdiction, an area underlying most of the world’s oceans.

The African Development Bank Group (AfDB) is a multilateral development finance institution established to contribute to the economic development and social progress of African countries.

The Andean Community (Spanish: Comunidad Andina, CAN) is a customs union comprising the South American countries of Bolivia, Colombia, Ecuador, and Peru.

The International Organization for Migration (IOM) is an intergovernmental organization that provides services and advice concerning migration to governments and migrants, including internally displaced persons, refugees, and migrant workers.

The World Customs Organization (WCO) is an intergovernmental organization headquartered in Brussels, Belgium.

The Latin American Integration Association / Asociación Latinoamericana de Integración / Associação Latino-Americana de Integração (LAIA / ALADI) is an international and regional scope organization.

The Central American Integration System (Spanish: Sistema de la Integración Centroamericana, or SICA) is the economic and political organization of Central American states since February 1, 1993.

The International Federation of Red Cross and Red Crescent Societies reaches 160 million people each year through its 190-member National Societies.

The Association of Caribbean States (ACS; Spanish: Asociación de Estados del Caribe; French: Association des États de la Caraïbe) is a union of nations centered on the Caribbean Basin.

The OPEC Fund for International Development (OFID) is the intergovernmental development finance institution established in 1976 by the Member States of the Organization of the Petroleum Exporting Countries (OPEC).

The Commonwealth Secretariat is the main intergovernmental agency and central institution of the Commonwealth of Nations.

The Inter-American Commission of Women (CIM) is an organization that falls within the Organization of American States.

The Indian Ocean Commission (IOC) (Commission de l'Océan Indien in French) is an intergovernmental organization that was created in 1982 at Port Louis, Mauritius and institutionalized in 1984 by the Victoria Agreement in Seychelles.

The South Centre is an intergovernmental organisation of developing nations, established by an intergovernmental Agreement (Treaty), which came into force on 31 July 1995, with its headquarters in Geneva, Switzerland.

The Latin American Parliament (Parlatino) is a regional, permanent organization composed by the countries of Latin America and the Caribbean.

The Conference on Interaction and Confidence-Building Measures in Asia (CICA) is an inter-governmental forum for enhancing cooperation towards promoting peace, security and stability in Asia.

The Community of Sahel-Saharan States (CEN-SAD; French: Communauté des Etats Sahélo-Sahariens; Arabic: تجمع دول الساحل والصحراء; Portuguese: Comunidade dos Estados Sahelo-Saarianos) aims to create a free trade area within Africa.