Full list | A B C D E F G H I J K L M N O P Q R S T U V W X Y Z (0-9)
| Acronym | Name |
|---|---|
| UATI | International Union of Technical Associations and Organizations |
| UC Berkeley | University of California, Berkeley |
| UDC Consortium | The Universal Decimal Classification (UDC) |
| UEA | Universala Esperanto-Asocio |
| UEMV | European Glaziers Association |
| UIA | International Union of Architects |
| UIC | International Union of Railways |
| UIE | International Union for Electroheat |
| UILI | Union Internationale des Laboratoires Indépendants (UILI) |
| UIOE | International Union of Oenologists |
| UN | United Nations |
| UN-GGIM-AP | Regional Committee of United Nations Global Geospatial Information Management for Asia and the Pacific |
| UN/ECE CEFACT | UN/ECE CEFACT |
| UNCTAD | United Nations Conference on Trade and Development |
| UNDP | United Nations Development Programme |
| UNECA | UN Economic Commission for Africa |
| UNECE | United Nations Economic Commission for Europe |
| UNEP | United Nations Environment Programme |
| UNESCAP | United Nations Economic and Social Commission for Asia and the Pacific |
| UNESCO | United Nations Educational, Scientific and Cultural Organization |
| UNESCWA | United Nations Economic and Social Commission for Western Asia |
| UNFCCC | United Nations Framework Convention on Climate Change |
| UNFPA | United Nations Population Fund |
| UNGEGN | United Nations Group of Experts on Geographical Names |
| UNGIWG | United Nations Geographic Information Working Group |
| UNICODE | The Unicode Consortium |
| UNIDO | United Nations Industrial Development Organization |
| UNSCETDG | UN/ECOSOC Sub-Committee of Experts on the transport of Dangerous Goods (TDG) |
| UNU-IIST | United Nations University International Institute for Software Technologies |
| UNWTO | World Tourism Organization |
| UPU | Universal Postal Union |
| USPI | Uitgebreid Samenwerkingsverband ProcesIndustrie, Nederland |
