Category:Bishops of Kilmore or Elphin or of Ardagh

This is a list of the bishops of the dioceses of Clonmacnoise or of Kilmore or of Elphin or of Ardagh or of any merged entity thereof (e.g. Ardagh and Clonmacnoise, Kilmore and Ardagh, Kilmore, Elphin and Ardagh) in the main Christian churches of Ireland, viz the Roman Catholic Church or the Church of Ireland.