UNRWA United Nations Relief and Works Agency for Palestine Refugees in the Near East
UNSCOM United Nations Special Commission for the Elimination of Iraq's Weapons of Mass Destruction; see United Nations Monitoring and Verification Commission (UNMOVIC)
UNSMIH United Nations Support Mission in Haiti
UNTAC United Nations Transitional Authority in Cambodia
UNTAES United Nations Transitional Administration in Eastern Slavonia,
Baranja, and Western Sirmium
UNTAET United Nations Transitional Administration in East Timor
UNTSO United Nations Truce Supervision Organization
UNU United Nations University
UPU Universal Postal Union
US United States