The term Archdiocese (or Archeparchy) of Baghdad may refer to several ecclesiastical jurisdictions in Baghdad, Iraq:
Patriarchal Province of Seleucia-Ctesiphon, a historical archdiocese of the Church of the East, whose patriarchs resided in Baghdad from the 8th to the 13th century In the Catholic Church: Armenian Catholic Archeparchy of Baghdad Chaldean Catholic Archeparchy of Baghdad Latin Catholic Archdiocese of Baghdad Syriac Catholic Archeparchy of Baghdad Eastern Orthodox Archdiocese of Baghdad