Category:Bishops of Killaloe or Kilfenora or Clonfert or of Kilmacduagh

This is a list of the bishops of the dioceses of Galway or of Killaloe or of Kilfenora or of Clonfert or of Kilmacduagh or of any merged entity thereof (e.g. Clonfert and Kilmacduagh, Killaloe and Kilfenora, Killaloe and Clonfert) in the main Christian churches of Ireland, viz the Roman Catholic Church or the Church of Ireland.