Thomas Joseph Walsh Jr. (December 6, 1873 – June 6, 1952) was a prelate of the Roman Catholic Church. He served as the first archbishop of the new Archdiocese of Newark in New Jersey from 1938 until his death in 1952. Walsh previously served as bishop of the Diocese of Newark from 1928 to 1938 and as bishop of the Diocese of Trenton in New Jersey from 1918 to 1928.