List of Catholic dioceses in Algeria
Current dioceses
All Roman Rite
- Ecclesiastical province of Alger
- Metropolitan Roman Catholic Archdiocese of Alger; united with the titular see of Iulia Caesarea (Ancient bishopric at Alger)
- suffragan Roman Catholic Diocese of Constantine; united with the titular see of Hippo (Regius) (Ancient bishopric at Constantine)
- suffragan Roman Catholic Diocese of Oran
- Exempt
(Immediately subject to the Holy See)