Robert Byrne, C.O. (born 22 September 1956) is a British Roman Catholic bishop. Since 25 March 2019, he has served as the 14th Bishop of Hexham and Newcastle. He previously served as an auxiliary bishop of the Archdiocese of Birmingham and the Titular Bishop of Cuncacestre. He is the first Oratorian to be appointed a bishop in England since 1874.