International Organizations and Groups | Aim - Objective |
| South Asian Association for Regional Cooperation (SAARC) | to promote economic, social, and cultural cooperation |
| South Pacific Forum (SPF) | South Pacific Forum (SPF) |
| South Pacific Regional Trade and Economic Cooperation Agreement (Sparteca) | to redress unequal trade relationships of Australia and New Zealand with small island economies in the Pacific region |
| Southeast European Cooperative Initiative (SECI) | to encourage cooperation among participating states and to facilitate their integration into European structures |
| Southern African Customs Union (SACU) | to promote free trade and cooperation in customs matters |
| Southern African Development Community (SADC) | to promote regional economic development and integration |
| Southern Cone Common Market (Mercosur) or Southern Common Market | to increase regional economic cooperation |
| Third World | Third World |
| underdeveloped countries | underdeveloped countries |
| undeveloped countries | undeveloped countries |
| Union Latina | to project, protect, and promote the common heritage and unifying idenitites of the Latin, and Latin-influenced, world |
| United Nations (UN) | to maintain international peace and security and to promote cooperation involving economic, social, cultural, and humanitarian problems |
| United Nations Children's Fund (UNICEF) | to help establish child health and welfare services |
| United Nations Civilian Police Mission in Haiti (MIPONUH) | United Nations Civilian Police Mission in Haiti (MIPONUH) |
| United Nations Conference on Trade and Development (UNCTAD) | to promote international trade |
| United Nations Development Program (UNDP) | to provide technical assistance to stimulate economic and social development |
| United Nations Disengagement Observer Force (UNDOF) | to observe the 1973 Arab-Israeli cease-fire; established by the UN Security Council |
| United Nations Educational, Scientific, and Cultural Organization (UNESCO) | to promote cooperation in education, science, and culture |
| United Nations Environment Program (UNEP) | to promote international cooperation on all environmental matters |