James Vincent Casey was an American prelate of the Roman Catholic Church. He served as Bishop of Lincoln, Nebraska (1957–1967) and Archbishop of Denver, Colorado (1967–1986).

The Diocese of Lincoln is a Latin Church diocese in Nebraska, United States, and comprises the majority of the eastern and central portions of the state south of the Platte River. It is a suffragan see to the archdiocese of Omaha. The episcopal see is in Lincoln, Nebraska. Bishop James D. Conley is the current ordinary of the Diocese. The Cathedral of the Risen Christ is the cathedral parish of the diocese.