Organizations: U
UCLA
Uffizzi
UKIP
UKTV
Ullans Press
Ulster and Leinster Bank
Ulster Head Schoolmistresses' Association
Ulster Museum
Ulster Pregnancy Advisory Association
Ulster Theatre
Ulster Unionist Council
Ulster Unionist Party
Ulster Volunteer Force
Ulster Volunteers
Ulster Women's Unionist Council
Ulster Workers' Council
Ulster-Scots Academy
Ulverscroft
Ulysses Press
Umkhonto we Sizwe
UN Women
Un-American Activities Committee
Underground
Underground Railroad
Underwood and Black
Unemployed Workers' Organisation
Unemployment Assistance Board
UNESCO
UNHABITAT
Unicorn Press
Unicorn Theatre for Children
Unilever
Union Carbide
Union for Democratic Control
Union of Democratic Control
Union of Ethical Societies
Union of Shirt and Collar Makers
Union of Women for the Defence of Paris and Aid to the Wounded
Union of Women in Bookbinding
Union of Women Upholsteresses
Union Party
Union Seminary
Union Square Theatre
Union Workhouse
Unionist Party
Unitarian Church
Unitarian Church Temperance Society
United Africa Company
United Airlines
United Artists