Ubaldus, Saint
Ubanghi
Ubanghi-Chari
Uberaba
Ubiquitarians
Ucayali
Udine
Ugento
Ughelli, Ferdinando
Uhtred
Ujejski, Cornelius
Ulenberg, Kaspar
Ulfilas
Ullathorne, William Bernard
Ullerston, Richard
Ulloa, Antoine de
Ulloa, Francisco de
Ulrich, Saint
Ulrich of Bamberg
Ulrich of Richenthal
Ulrich of Zell
Ultramontanism
Unam Sanctam
Ungava
Uniformity Acts
Unigenitus
Union of Christendom
Unions of Prayer
Unitarians
United States of America
Universalists
Universals
Unyanyembe
Upper Rhine
Upsala, University
Uranopolis
Urban I, Pope Saint
Urban II, Pope Blessed
Urban III, Pope
Urban IV, Pope
Urban V, Pope Blessed
Urban VI, Pope
Urban VII, Pope
Urban VIII, Pope

Urbi et Orbi
Urbino
Urbs beata Jerusalem dicta pacis
Urdaneta, Andrés
Urgel
Urráburu, Juan José
Ursulines of Quebec
Uruguay
Ushaw College
Usilla
Utah
Ut Queant Laxis Resonare Fibris
Utica
Utopia
Utraquism