- uraemic
- uraemic colitis
- uremic colitis
- uraemic encephalopathy
- uremic encephalopathy
- uraemic pneumonia
- uremic pneumonia
- uraemic polyneuropathy
- uremic polyneuropathy
- Uraeus snake
- US Airways
- United States Navy , US Navy , U.S. Navy , USN
- Usa
- United States Department of State , DoS
- United States Department of Housing and Urban Development , HUD
- U.S. Citizenship and Immigration Services
- United States Department of Energy , DOE
- United States Department of Health
- U. S. Coast Guard , USCG
- United States Coast Guard , USCG
- USDA : United States Department of Agriculture
- U.S. marshal
- US marshal
- U.S. military
- U.S. president
- U.S. presidential election
- US presidency
- US administration
- U.S. House of Representatives
- U.S. Senate
- U.S. forces
- US tomography , UST
- US tomogram , UST
- United States Department of Transportation , DOT
- USA : United States of America
- Usambara akelat
- Usambara eagle-owl