Dioceses of Ireland
- Archbishop of Canterbury
- Archbishop of Dublin
- Catholic Church
- Church Temporalities Act 1833
- Church of England
- Church of Ireland
- Diocese of Glendalough
- Ecclesiastical Titles Act 1851
- Ecumenical Patriarchate of Constantinople
- Greek Orthodox Metropolis of Ireland
- Hiberno Norse
- History of Christianity in Ireland
- Holy Trinity Cathedral and the Russian Orthodox Spiritual and Cultural Center
- List of Anglican dioceses in the United Kingdom and Ireland
- List of Roman Catholic dioceses in Ireland
- Patriarchal Exarchate in Western Europe (Moscow Patriarchate)
- Penal Laws (Ireland)
- Reformation in Ireland
- Serbian Orthodox Eparchy of Britain and Ireland
- Synod of Kells
- Synod of Ráth Breasail