William Crean (born 16 December 1951) is an Irish Roman Catholic prelate who has served as Bishop of Cloyne and chairperson of Trócaire since 2013.

[2] Following ordination, Crean returned to Rome for further studies at the Pontifical Gregorian University, completing a Licentiate of Sacred Theology in 1977.

[2][3][4] He was consecrated by the Apostolic Nuncio to Ireland and titular archbishop of Aquileia, Charles John Brown, on 27 January 2013 in St Colman's Cathedral, Cobh.

[7] In his Christmas message in 2013, he warned that despite the recent departure of the EU/IMF troika, great hardship continues to be inflicted on vulnerable families and schools in Ireland.

Crean called on political leaders to redress austerity measures taken during the European debt crisis or risk of reaping "a very negative social harvest in Irish society".