Terms with U
- Uganda
- Ukraine
- Ulster-Donegal
- ultra-fine particle
- Umbria
- UN Centre for Regional Development
- UN Commission
- UN Conference
- UN Conference on Environment and Development
- UN Conference on Trade and Development
- UN convention
- UN Development Programme
- UN Environment Programme
- UN General Assembly
- UN High Commissioner for Human Rights
- UN Industrial Development Organisation
- UN Institute for Disarmament Research
- UN Institute for Training and Research
- UN international covenant
- UN International Drug Control Programme
- UN International Research and Training Institute for the Advancement of Women
- UN Interregional Crime and Justice Research Institute
- UN Population Fund
- UN programmes and funds
- UN regional commission
- UN research and training institutes
- UN Research Institute for Social Development
- UN resolution
- UN Secretariat
- UN Secretary-General
- UN Security Council
- UN specialised agency
- UN Standing Committee
- UN subsidiary body
- UN technical commission
- UN Trusteeship Council
- UN-Habitat
- UNAIDS
- unanimity
- unauthorised dumping
- uncultivated land
- underdevelopment
- underground economy
- underground railway
- underground storage of waste
- underground transport
- undernourishment
- underpopulation
- underproduction
- underwater mineral resources
- undisclosed partnership
- unemployed person
- unemployment
- unemployment due to technical progress
- unemployment insurance
- Unesco
- unfair dismissal
- unfair terms of contract
- UNHCR
- unicameral system
- Unicef
- unification of Germany
- uninominal voting system
- unintentional crime
- union representative
- Unisist
- unit price
- unitarian State
- United Arab Emirates
- United Kingdom
- United Kingdom OCT
- United Nations Charter
- United States
- universal health coverage
- Universal Postal Union
- universal service
- universal suffrage
- Universalism
- university
- university library
- university research
- unlawful agreement
- unmarried person
- UNO
- unpaid leave
- unpaid work
- UNRWA
- unskilled worker
- unsolicited electronic advertising
- updating of skills
- Upper Austria
- upper class
- Upper House
- Upper Normandy
- Upper Norrland (Sweden)
- Uppsala county
- uranium
- urban area
- urban centre
- urban community
- urban construction
- urban economy
- urban habitat
- urban infrastructure
- urban population
- urban problem
- urban renewal
- urban road
- urban sociology
- urban transport
- urbanisation
- Uruguay
- Uruguay Round
- US Virgin Islands
- use of aid
- use of languages
- use of outer space
- use of water
- used goods
- used oil
- USSR
- Ustí
- usufruct
- Utena county
- utilised agricultural area
- Utrecht
- Uzbekistan