Rafael Barraza Sánchez (24 October 1928 – 26 July 2020) was a Mexican Roman Catholic bishop. He was ordained to the priesthood in 1951. He was titular bishop of "Drivastum" and as auxiliary bishop of the Roman Catholic Archdiocese of Durango, Mexico, from 1979 to 1981. He then was bishop of the Roman Catholic Diocese of Mazatlán, Mexico, from 1981 to 2005.