Maffeo Giovanni Ducoli (November 7, 1918 – August 28, 2012) was an Italian Prelate of the Roman Catholic Church. Ducoli was born in San Mauro di Saline, Italy and was ordained a priest of the Diocese of Verona on May 30, 1942. Ducoli was appointed Auxiliary bishop to the Diocese of Verona along with Titular Bishop of Fidenae on April 22, 1967 and ordained bishop on May 14, 1967. On October 7, 1975 he was appointed bishop of the Diocese of Belluno-Feltre from which he retired on February 2, 1996.