Bishop O'Connell may refer to:
Catholic bishops in the United States Anthony O'Connell (1938–2012), a confessed child molester who served as a cleric, and the first Bishop of Knoxville, Tennessee Bishop Denis J. O'Connell (1849–1927), bishop of the diocese of Richmond, Virginia David M. O'Connell (born 1955), bishop of the Diocese of Trenton David G. O'Connell (1953–2023), auxiliary bishop of the Archdiocese of Los Angeles
Other meanings Bishop O'Connell High School, parochial secondary school in Arlington, Virginia