Encyclopedias, Almanacs, Transcripts, and Maps
- U.S. Government
- U.S. Government Agencies
- U.S. Possessions
- U.S. War Colleges
- UKAT: U. K. Alcohol Treatment Trial
- Uninsurance
- United Kingdom
- United Nations High Commissioner for Refugees
- United States Agency for International Development (USAID)
- United States Preventive Services Task Force (USPSTF)
- Universal Precautions
- University Council for Educational Administration
- University-Industrial Research Collaboration
- Unpredictability
- Upward Bound
- Upward Causation
- Urban Education
- Urban Health
- Urban Institute
- Urban Social Disparities