Carmelo Cassati (April 6, 1924 – February 3, 2017) was an Italian prelate of Roman Catholic Church.
Cassati was born in Tricase ordained a priest on December 17, 1949 from the religious order of the Missionaries of the Sacred Heart. In 1950, he was sent as a Missionary to Brazil and then, in 1951, to Peru. The Apostolic Nuncio of Peru, Giovanni Panico, appointed him his secretary.
Cassati was appointed auxiliary bishop of the Diocese of Pinheiro, as well as titular bishop of Nova Germania, on April 27, 1970 and ordained June 28, 1970. Cassati was appointed bishop of Pinheiro diocese on June 17, 1975. Cassati resigned from the Titular see of Nova Germania in 1978, followed by an appointment to Diocese of Tricarico on February 12, 1979. Cassati was appointed bishop of the Diocese of Lucera and Diocese of San Severo on September 7, 1985, resigning from Lucera on September 30, 1986. Cassati's final appointment was to the Archdiocese of Trani-Barletta-Bisceglie on December 15, 1990. Cassati remained with the diocese until his retirement on November 13, 1999. Cassati had lived in Eufemia-Tricase until his death at the age of 92.8 years.