U
- Uab Meto languageAustronesian language spoken in West Timor
- Uatumã RiverThe Uatumã River (sometimes spelled Uatamã) is a river flowing through the state of Amazon
- Ubangi RiverTributary of the Congo River
- UbudTown in Bali, Indonesia
- Ubud PalaceThe Ubud Palace, officially Puri Saren Agung, is a historical building complex situated in
- Udai Sagar LakeLake in Udaipur, India
- UluruSandstone monolith in the Northern Territory, Australia
- Umboi IslandUmboi (also named Rooke or Siassi) is a volcanic island between the mainland of Papua New
- United Nations CommandMilitary unit
- United Nations list of non-self-governing territoriesType of territory defined by the United Nations Charter
- Unity PondLake in Maine, United States
- Upper Baker DamUpper Baker Dam is a dam spanning the Baker River in northern Washington in the United Sta
- Upper Dumbell LakeUpper Dumbell Lake is a lake in Qikiqtaaluk Region, Nunavut. It is the northernmost named
- Upper Rivington ReservoirUpper Rivington Reservoir is situated centrally in the Rivington chain of reservoirs, on t
- Ural (river)Major river in Russia and Kazakhstan
- Ural Economic RegionEconomic region in Russia
- Ural MountainsMountain range in Eurasia
- Uralian orogenyThe Uralian orogeny refers to the long series of linear deformation and mountain building
- Urban streamAn urban stream is a formerly natural waterway that flows through a heavily populated area
- Uruguay RiverRiver in South America
- Utkal PlainsThe Utkal Plain is part of the East Coastal Plain of India. It is a coastal plain in the O
- Uvs LakeLake in Uvs, Mongolia
- Uyghur Latin alphabetLatin-based alphabet for the Uyghur language