The island of Ireland is divided into two jurisdictions: Northern Ireland and the Republic of Ireland. Religion in Ireland may refer to: * Religion in the Republic of Ireland * Religion in Northern Ireland * Christianity in Ireland * History of Christianity in Ireland * Roman Catholicism in Ireland * Protestantism in Ireland * Reformation in Ireland * Islam in Ireland * Islam in Northern Ireland * Hinduism in Ireland * Hinduism in the Republic of Ireland * Hinduism in Northern 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.