Encyclopedias, Almanacs, Transcripts, and Maps
- United Jewish Appeal (UJA)
- United Kingdom
- United Kingdom African Dependencies
- United Kingdom American Dependencies
- United Nations and the Middle East
- United Nations Conciliation Commission for Palestine (UNCCP)
- United Nations Economic Survey Mission (1949)
- United Nations Emergency Force
- United Nations Interim Force in Lebanon
- United Nations Special Commission (UNSCOM)
- United Nations Special Committee on Palestine, 1947 (UNSCOP)
- United Nations Truce Supervision Organization (UNTSO)
- United Officers Group (GOU)
- United Provinces of the Río de la Plata
- United Self-Defense Forces of Colombia (AUC)
- United States Agency for International Development
- United States Caribbean Dependencies
- United States Caribbean Dependencies
- UNITED STATES ENGLISH
- United States of America and the Middle East