UAE United Arab Emirates
UAV Unmanned Aerial Vehicle
UDC Upper Division Clerk
UF United Front
UFO Unidentified Flying Object
UGC University Grants Commission
UHT Ultra High Temperature
ULFA United Liberation Front of Assam
UN United Nations
UNASUR Union of South American Nations
UNCTAD United Nations Conference on Trade and Development
UNDP United Nations Development Programme
UNEF United Nations Emergency Force
UNEP United Nations Environment Programme
UNESCO United Nations Educational, Scientific and Cultural Organisation
UNFPA United Nations for Population Activities
UNFPO United Nations Fund for Population Activities
UNHCR United Nations High Commissioner for Refugees
UNHRC United Nations Human Rights Commission
UNI United News of India
UNICEF United Nations International Children's (Emergency) Fund
UNIDO United Nations Industrial Development Organisation
UNO United Nations Organisation
UNRRA United Nations Relief and Rehabilitation Administration
UNTAC United Nations Transitional Authority for Cambodia
UPA United Progressive Alliance
UPS Uninterrupted Power Supply
UPSC Union Public Service Commission
UPTN Universal Personal Telephone Number
USA United States of America
USIS United States Information Service
USSR Union of Soviet Socialist Republic
UTI Unit Trust of India