The Diocese of Saint Paul in Alberta (Latin: Dioecesis Sancti Pauli in Alberta) is a Latin Church ecclesiastical territory or diocese of the Catholic Church that includes part of the civil province of Alberta.

On September 15, 2022, Gary Anthony Franken, was appointed Bishop of Saint Paul, succeeding Paul Terrio.

[1] As of 2018, the diocese contains 20 parishes and 21 missions, 18 active diocesan priests, 6 religious priests, 8 permanent deacons, and approximately 104,000 Catholics.

The Diocese of Saint Paul in Alberta is a suffragan diocese in the ecclesiastical province of the metropolitan Archdiocese of Edmonton.

[2] St. Paul Cathedral, St. Paul, Alberta St. Michael, Elk Point, Alberta St. Gabriel, Athabasca, Alberta St. Anne, Barrhead, Alberta Mission of St. John the Evangelist, Swan Hills, Alberta St. Louis, Bonnyville, Alberta St. Alphonsus, Boyle, Alberta Mission of Holy Rosary, Buffalo Lake Métis Settlement, Alberta St. Dominic, Cold Lake, Alberta Mission of Our Lady of the Assumption, Cold Lake, Alberta St. John the Baptist, Fort McMurray, Alberta Mission of St. Gabriel, Janvier, Alberta Mission of St. Vincent, Conklin, Alberta St. Paul Church, Fort McMurray, Alberta Mission of Nativity of Blessed Virgin Mary, Fort Chipewyan, Alberta Mission of St. Julien, Fort MacKay, Alberta St. Catherine, Lac La Biche, Alberta Mission of Immaculate Heart of Mary, Kikino, Alberta St. Raphael, LeGoff, Alberta Mission of St. Marguerite d'Youville, Elizabeth Métis Settlement, Alberta Mission of Our Lady of Good Counsel, Frog Lake Reserve, Alberta Mission of St. Eugene, Fishing Lake, Alberta St. Emile, Legal, Alberta St. Jean de Brebeuf, Mallaig, Alberta Mission of St. Helen, St. Lina, Alberta Mission of Our Lady of Mercy, Kehewin, Alberta St. Jean Baptiste, Morinville, Alberta St. Isidore, Plamondon, Alberta Mission of St. Theresa of the Child Jesus, Breynat, Alberta St. Laurent, Brosseau, Alberta St. Matthias, Goodfish Lake, Alberta Mission of Sacred Heart, Saddle Lake, Alberta St. Anne, Thorhild, Alberta Mission of Our Lady of the Atonement, Smoky Lake, Alberta Mission of St. Joseph, Radway, Alberta St. Mary of Assumption, Westlock, Alberta Mission of St. Finnan, Dapp, Alberta Mission of St. Patrick, Clyde, Alberta St. Joseph, Whitecourt, Alberta Mission of Our Lady of Peace, Fox Creek, Alberta