| U Cluj | U Cluj |
| U engine | U-motor |
| U Nisy Stadium | Stadion u Nisy |
| U Thant | U Thant |
| U-bend | Waterslot |
| U-boat | U-boot |
| U-shaped valley | Trogdal |
| U-turn | draai van honderdtachtig graden |
| U.S.S.R. | USSR |
| Uaboe | Uaboe |
| UAN | UAN |
| UANL Tigres | Club Tigres |
| Uatu | Uatu |
| UB Conquense | UB Conquense |
| UB-Barça | FC Barcelona |
| Ubaid period | Obeid |
| Ubangi | Ubangi |
| Ubangi River | Ubangi |
| Ubermensch | Übermensch |
| Ubii | Ubiërs |
| Ubinas | Ubinas |
| ubiquitous | alomtegenwoordig |
| Ubisoft | Ubisoft |
| Ubon Ratchathani | Ubon Ratchathani |
| Ubon Ratchathani Province | Changwat Ubon Ratchathani |
| UBS AG | UBS |
| Ubstadt-Weiher | Ubstadt-Weiher |
| Ubu Roi | Ubu Roi |
| Ubľa | Ubľa |
| Ucayali Region | Ucayali |
| Ucayali River | Ucayali |
| UCB | UCB |
| Uccle | Ukkel |
| Uchtdorf | Uchtdorf |
| Uchte | Uchte |
| Uchuu Keiji Gavan | Uchuu Keiji Gavan |
| Uchuu Keiji Shaider | Uchuu Keiji Shaider |
| Uchuu Keiji Sharivan | Uchuu Keiji Sharivan |
| UCI Continental Circuits | Continentale circuits |
| UCI ProTour | UCI ProTour |
| UCI Road World Cup | Wereldbeker wielrennen |
| UCI World Championships | Wereldkampioenschap wielrennen |
| Uckerfelde | Uckerfelde |
| Uckerland | Uckerland |
| Uckermark | Uckermark |
| UClibc | UClibc |
| UCSD p-System | P-Code |
| UD Almería | UD Almería |
| UD Barbastro | UD Barbastro |
| UD Fuerteventura | UD Fuerteventura |
| UD Lanzarote | UD Lanzarote |
| UD Las Palmas | UD Las Palmas |
| UD Marbella | UD Marbella |
| UD Melilla | UD Melilla |
| UD Mérida | UD Mérida |
| UD Pájara Playas de Jandía | UD Pájara Playas de Jandía |
| UD Salamanca | UD Salamanca |
| UD San Sebastián de los Reyes | UD San Sebastián de los Reyes |
| UD Vecindario | UD Vecindario |
| Uda | Uda |
| Uda River | Uda |
| Udachnaya pipe | Oedatsjnajapijp |
| Udachny | Oedatsjny |
| Udaipur | Udaipur |
| Udarnik | Slagpin |
| Uday Hussein | Oedai Hoessein |
| Udayadityavarman II | Udayadityavarman II |
| udder | uier |
| Uddevalla Municipality | Uddevalla |
| Uddjaure | Uddjaure |
| Udege people | Oedegeïers |
| Udenheim | Udenheim |
| Uder | Uder |
| Udestedt | Udestedt |
| UDEUR Populars | Volksalliantie- UDEUR |
| Udine | Udine |
| Udinese Calcio | Udinese Calcio |
| Udligenswil | Udligenswil |
| Udmurt | Oedmoerts |
| Udmurt language | Oedmoerts |
| Udmurtia | Oedmoertië |
| Udo | Udo |
| Udo Dirkschneider | Udo Dirkscheinder |
| Udomlya | Oedomlja |
| Udon Thani | Udon Thani |
| Udon Thani Province | Changwat Udon Thani |
