| unitaire | unitarian |
| Unitairien | Unitarian |
| unitarien | unitarian |
| unitarienne | unitarian |
| unitarisme | Unitarianism |
| unitarisme-universalisme | Unitarian Universalism |
| Unitatis Redintegratio | Unitatis Redintegratio |
| Unite astronomique | Astronomical unit |
| United Airlines | United Airlines |
| United Auto Workers | United Auto Workers |
| United Center | United Center |
| United for Intercultural Action | UNITED for Intercultural Action |
| United Fruit Company | United Fruit Company |
| United Hockey League | International Hockey League |
| United Liberation Front of Asom | United Liberation Front of Asom |
| United Overseas Bank Plaza One | UOB Plaza |
| United Paramount Network | UPN |
| United Parcel Service | United Parcel Service |
| United States | SS United States |
| United States Africa Command | United States Africa Command |
| United States Air Force | United States Air Force |
| United States Air Forces in Europe | United States Air Forces in Europe |
| United States Army | United States Army |
| United States Army Air Corps | United States Army Air Corps |
| United States Army Air Forces | United States Army Air Forces |
| United States Army Rangers | United States Army Rangers |
| United States Central Command | United States Central Command |
| United States Department of Transportation | United States Department of Transportation |
| United States European Command | United States European Command |
| United States Geological Survey | United States Geological Survey |
| United States Holocaust Memorial Museum | United States Holocaust Memorial Museum |
| United States Joint Forces Command | United States Joint Forces Command |
| United States Marine Corps | United States Marine Corps |
| United States Marshals Service | United States Marshals Service |
| United States National Library of Medicine | United States National Library of Medicine |
| United States Navy | United States Navy |
| United States Northern Command | United States Northern Command |
| United States Pacific Command | United States Pacific Command |
| United States Patent and Trademark Office | United States Patent and Trademark Office |
| United States Postal Service | United States Postal Service |
| United States Secret Service | United States Secret Service |
| United States Southern Command | United States Southern Command |
| United States Special Operations Command | United States Special Operations Command |
| United States Strategic Command | United States Strategic Command |
| United States Transportation Command | United States Transportation Command |
| United Technologies Corporation | United Technologies Corporation |
| United World Chart | United World Chart |
| Unity | Unity Module |
| unité | unit |
| Unité allemande | Unification of Germany |
| unité astronomique | astronomical unit |
| unité centrale | central processing unit |
| unité centrale de traitement | CPU |
| Unité de base du système international | SI base unit |
| unité de calcul en virgule flottante | floating-point unit |
| Unité de combat en environnement hostile | Hazardous Environment Combat Unit |
| Unité de disques | Direct access storage |
| Unité de masse atomique | Atomic mass unit |
| Unité de mesure anglo-saxonne | Imperial unit |
| Unité de mesure de japonaise | Japanese units of measurement |
| Unité de mémoire à accès dire | Direct access storage |
| Unité de mémoire à accès séle | Direct access storage |
| Unité de répétition | Repeat unit |
| Unité de stockage à accès dir | Direct access storage |
| Unité de transcription | Transcription unit |
| Unité internationale | International unit |
| unité monétaire | currency |
| Unité motrice | Motor unit |
| Unité révolutionnaire nationale guatémaltèque | Guatemalan National Revolutionary Unity |
| Unités administratives locales | Local administrative unit |
| Unités de base du système international | SI base unit |
| Unités de mesure anglo-saxonnes | Imperial unit |
| Unités de mesure pour la cuisine | Cooking weights and measures |
| Unités de mesure romaines | Ancient Roman units of measurement |
| Unités de Planck | Planck units |
| Unités dérivées du système international | SI derived unit |
| univerbation | univerbation |
| univers | creation |
| Univers DC | DC Universe |
| Univers de de Sitter | De Sitter universe |
| Univers de Dune | Dune universe |
| Univers de Final Fantasy VII | Gaia |
| Univers de Friedmann | Friedmann universe |
| Univers de goedel | Goedel universe |
| Univers de lemaitre | Lemaitre universe |
| Univers ekpyrotique | Ekpyrotic |
| Univers en expansion | Expanding universe |
| Univers inflationnaire | Inflationary universe |
| Univers Marvel | Marvel Universe |
| Univers observable | Observable universe |
| Univers oscillant | Oscillating universe |
| Univers ouvert | Open universe |
| Univers primordial | Early universe |
| Univers virtuel | Virtual reality |
| Univers Zéro | Univers Zero |
| Univers étendu | Expanded Universe |
| Univers étendu de la Guerre des étoiles | Expanded Universe |
| Universal ABIT | Universal abit |
| Universal binaries | Universal binary |
| Universal Description Discovery and Integration | Universal Description Discovery and Integration |
| Universal Media Disc | Universal Media Disc |
| Universal Mobile Telecommunications System | Universal Mobile Telecommunications System |
| Universal Music Group | Universal Music Group |
| Universal Negro Improvement Association and African Communities League | Universal Negro Improvement Association and African Communities League |
| Universal Pictures | Universal Studios |
| Universal Plug and Play | Universal Plug and Play |
| Universal Serial Bus | Universal Serial Bus |
| Universal Soldier | Universal Soldier |
| Universal Subscriber Identity Module | Universal Subscriber Identity Module |
| Universal transverse Mercator | Transverse Mercator projection |
| Universal Unique Identifier | Universally Unique Identifier |
| Universal Zulu Nation | Universal Zulu Nation |
| Universalglot | Universalglot |
| universalisme unitarien | Unitarian Universalism |
| universalité | universality |
| Universaux linguistiques | Linguistic universal |
| universel | universal |
| universellement | universally |
| Universiade | Universiade |
| Universidad de Chile | University of Chile |
| Universidad de Guadalajara | University of Guadalajara |
| Universidad de Los Andes Fútbol Club | Universidad de Los Andes Fútbol Club |
| Universidad de Oriente | Universidad de Oriente |
| Universidad Iberoamericana | Club Universitario |
| Universidad Las Palmas CF | Universidad de Las Palmas CF |
| Universidad San Martin de Porres | Universidad San Martín de Porres |
