This is a list of articles about religion in both the Republic of Ireland and Northern Ireland.
- Religion in the Republic of Ireland
- Religion in Northern Ireland
- Irreligion in the Republic of Ireland
- Christianity in Ireland
- Islam in Ireland
- Islam in Northern Ireland
- Hinduism in Ireland
- History of the Jews in Ireland
- History of the Jews in Northern Ireland
- Neo-paganism in the Republic of Ireland
- See Neopaganism in the United Kingdom for Neopaganism in Northern Ireland.