The Milltown Institute of Theology and Philosophy was a Jesuit-run institution of higher education and research, located in Dublin, Ireland. It was located in Ranelagh, County Dublin. From 2005 until 2015 it was a Recognised College of the National University of Ireland, under the 1997 Universities Act, the Irish government removed the ban on the NUI awarding degrees in Theology which had stood since its foundation and its predecessor the Royal University of Ireland. The Milltown Institute was also an Ecclesiastical Faculty until its designation was suspended by the Congregation for Catholic Education in Rome in July 2015. The Irish School of Ecumenics, which was located at the Milltown Park site, is currently based in Trinity College Dublin.