Dom Anscar Chupungco, O.S.B., STD (10 November 1939 - 9 January 2013) was a Filipino Benedictine monk, who was a noted liturgist, theologian and a mentor to all Filipino liturgists and countless students of the Pontifical Atheneum of St. Anselm in Rome and San Beda University in Manila. He was known for integrating local customs and traditions into the Catholic Mass.