Brian James Barnes (23 March 1933 - 9 May 2017) was a Roman Catholic archbishop.
Born in Australia, Barnes was ordained to the priesthood in 1958. He served as bishop of the Roman Catholic Diocese of Aitape, Papua New Guinea from 1987 to 1997. He then served as archbishop of the Roman Catholic Archdiocese of Port Moresby from 1997 to 2008.[1]