Category:Bishops of Tuam or Killala or of Achonry

This is a list of the bishops of the dioceses of Annadown or of Mayo or of Tuam or of Killala or of Achonry or of any merged entity thereof (e.g. Tuam and Annadown, Killala and Achonry) in the main Christian churches of Ireland, viz the Roman Catholic Church or the Church of Ireland.