Damian Denis Dallu is a Tanzanian Roman Catholic prelate who serves as the Archbishop of the Roman Catholic Archdiocese of Songea, Tanzania. He was appointed archbishop on 14 March 2014 by Pope Francis and was installed on 18 May 2014. Before that, he served as the Bishop of the Roman Catholic Diocese of Geita, Tanzania. He was appointed bishop on 14 April 2000 by Pope John Paul II and was consecrated and installed on 30 July 2000.