A list of Catholic churches in Ireland, notable current and former individual church buildings and congregations and administration of the Catholic Church in Ireland. These churches are listed buildings or have been recognised for their historical importance, or are church congregations notable for reasons unrelated to their buildings.
Sorted according to the counties of Ireland, with reference to the Catholic dioceses, which are in the ecclesiastical provinces of Armagh, Cashel, Dublin, and Tuam.
In the Diocese of Down and Connor:
In the Archdiocese of Armagh:
In the Diocese of Kildare and Leighlin:
In the Diocese of Kilmore:
In the Diocese of Killaloe:
In the Diocese of Galway, Kilmacduagh and Kilfenora:
In the Diocese of Limerick:
In the Diocese of Cork and Ross:
In the Diocese of Cloyne:
In the Diocese of Derry:
In the Diocese of Raphoe:
In the Diocese of Clogher:
In the Diocese of Dromore:
In the Archdiocese of Dublin:
In the Diocese of Galway, Kilmacduagh and Kilfenora:
In the Archdiocese of Tuam:
In the Diocese of Clonfert:
In the Diocese of Kerry:
In the Diocese of Kildare and Leighlin:
In the Archdiocese of Dublin:
In the Diocese of Ossory:
In the Diocese of Kildare and Leighlin:
In the Diocese of Ardagh and Clonmacnoise:
In the Diocese of Limerick:
In the Diocese of Ardagh and Clonmacnoise:
In the Archdiocese of Armagh:
In the Archdiocese of Tuam:
In the Diocese of Killala:
In the Diocese of Meath:
In the Diocese of Achonry:
In the Diocese of Elphin:
In the Diocese of Elphin:
In the Archdiocese of Cashel and Emly:
In the Diocese of Killaloe:
In the Diocese of Derry:
In the Diocese of Waterford and Lismore:
In the Diocese of Meath:
In the Archdiocese of Tuam:
In the Diocese of Ardagh and Clonmacnoise:
In the Diocese of Ferns:
In the Archdiocese of Dublin:
