The Diocese of Limerick (Irish: Deoise Luimnigh ) is a Roman Catholic diocese in mid-western Ireland. It is one of six suffragan dioceses in the ecclesiastical province of Cashel (also known as Munster) and is subject to the Archbishop of Cashel and Emly. Following the resignation of bishop Donal Murray, the diocese was administered by its metropolitan, Dermot Clifford, until the installation of Brendan Leahy on 14 April 2013. The cathedral church of the diocese is St John's Cathedral.