| Institutions | Languages |
| Amnesty International | Portuguese, Arabic, English, French and Spanish |
| Antarctic Treaty Secretariat | English, French, Spanish and Russian |
| Bank for International Settlements | English, French, German and Spanish |
| Commonwealth of Nations | English |
| Portuguese Language Countries | Portuguese |
| FIFA | Arabic, English, French, German, Portuguese, Russian and Spanish |
| Holy See | Latin, Italian and French |
| International Civil Aviation Organization | Arabic, Chinese, English, French, Russian and Spanish |
| International Criminal Court | Arabic, Chinese, English, French, Russian and Spanish |
| International Criminal Police Organization | Arabic, English, French and Spanish |
| International Energy Agency | English |
| International Federation of Journalists | English, French and Spanish |
| International Labour Organization | English, French and Spanish |
| International Monetary Fund | English |
| International Olympic Committee | French and English |
| International Organization for Standardization | English, French and Russian |
| International Telecommunication Union | English, French and Spanish |
| International Union for Conservation of Nature | English, French and Spanish |
| Inter-Parliamentary Union | French and English |
| Latin Union | Catalan, French, Spanish, Portuguese, Italian and Romanian |
| Médecins Sans Frontières | Arabic, English, French, Portuguese and Spanish |
| Organisation for Economic Co-operation and Development | English and French |
| Organisation internationale de la Francophonie | French |
| Organization of Ibero-American States | Spanish and Portuguese |
| Organisation of Islamic Cooperation | Arabic, English and French |
| Red Cross | Arabic, English, French, Spanish, Russian, Portuguese and German |
| Rotary International | English, French, German, Italian, Japanese, Korean, Portuguese, and Spanish |
| Trans-Pacific Partnership | English, French, and Spanish |
| United Nations Educational, Scientific and Cultural Organization | Arabic, Chinese, English, French, Hindi, Indonesian, Italian, Portuguese, Russian and Spanish |
| United Nations | Under the Charter, the official languages are Chinese, English, French, Russian, Spanish as well as Arabic which was added in 1973. See also: Official languages of the United Nations. |
| Universal Postal Union | French and English. Other languages translated: Arabic, Chinese, German, Portuguese, Russian and Spanish |
| World Bank | English |
| World Customs Organization | English, French, and Spanish |
| World Health Organization | Arabic, Chinese, English, French, Russian, and Spanish. |
| World Intellectual Property Organization | Arabic, Chinese, English, French, German, Japanese, Portuguese, Russian, Spanish and Korean |
| World Trade Organization | English, French and Spanish |
| African Development Bank | English, French |
| African Union | Arabic, French, English, Portuguese, Spanish and Swahili |
| Greater Arab Free Trade Area | Arabic |
| Arab League | Arabic |
| Asia-Pacific Economic Cooperation | English |
| Asian Development Bank | English |
| Asian Infrastructure Investment Bank | English |
| Association of Southeast Asian Nations | English, Burmese, Filipino, Indonesian, Khmer, Lao, Malay, Mandarin, Tamil, Thai and Vietnamese |
| Benelux | Dutch and French |
| Caribbean Community | English, French, Dutch and Spanish |
| Caribbean Development Bank | English |
| Central American Common Market | Spanish |
| Common Market for Eastern and Southern Africa | English, French and Portuguese |
| Commonwealth of Independent States | Russian |
| Cooperation Council for the Arab States of the Gulf | Arabic |
| Council of Europe | English and French |
| East African Community | English, French and Swahili |
| Economic Community of West African States | English, French and Portuguese |
| Economic and Monetary Community of Central Africa | French, Portuguese and Spanish |
| Eurasian Development Bank | Russian |
| Eurasian Economic Union | Russian |
| European Space Agency | English, French and German |
| European Union | 24 official languages with three of these — English, French and German — being working languages of some internal EU bodies such as the European Commission |
| Group of Seven, formerly the Group of Eight | English, French, German, Italian and Japanese |
| Gulf Cooperation Council | Arabic |
| Indian Ocean Rim Association | English |
| Islamic Development Bank | Arabic, with French and English as working languages |
| Mercosur/Mercosul | Guarani, Portuguese and Spanish. |
| New Development Bank | English |
| Nordic Investment Bank | English |
| Nordic Council | Danish, Finnish, Norwegian and Swedish |
| North Atlantic Treaty Organization | English and French. |
| Organization for Security and Co-operation in Europe | English, French, German, Italian, Russian and Spanish |
| Organization of the Petroleum Exporting Countries | English |
| Organization of American States | Spanish, English, Portuguese and French. See also: Official languages of the Organization of American States |
| Pacific Islands Forum | English |
| Shanghai Cooperation Organisation | Chinese and Russian. |
| South Asian Association for Regional Cooperation | English |
| South Pacific Commission | English and French |
| Southern African Development Community | English, French and Portuguese |
| Union of South American Nations | Dutch, English, Portuguese and Spanish |
| United States–Mexico–Canada Agreement | English, Spanish and French. |