Muzio Gaeta (1663–1728) was a Roman Catholic prelate who served as Archbishop of Bari-Canosa (1698–1728) and Titular Patriarch of Jerusalem (1708–1728).^[1]

Muzio Gaeta was born in 1663 in Naples, Italy.^[2] On 19 May 1689, he was ordained as deacon and on 22 May 1689 he was ordained a priest.^[2][3] On 7 April 1698, he was appointed during the papacy of Pope Innocent XII as Archbishop of Bari-Canosa.^[1][2] On 13 April 1698, he was consecrated bishop by Fabrizio Spada, Cardinal-Priest of San Crisogono with Michelangelo dei Conti, Titular Archbishop of Tarsus, and Francesco Acquaviva d'Aragona, Titular Archbishop of Larissa in Thessalia, serving as co-consecrators.^[1][2] On 14 May 1708, he was appointed during the papacy of Pope Clement XI as Titular Patriarch of Jerusalem.^[1][2] He served as Archbishop of Bari-Canosa and Titular Patriarch of Jerusalem until his death on 7 March 1728.^[1][2]

While bishop, he was the principal co-consecrator of Simone Paolo Aleotti, Bishop of Civita Castellana e Orte (1698).^[2]

• Cheney, David M. "Patriarchate of Jerusalem {Gerusalemme}". Catholic-Hierarchy.org. Retrieved June 16, 2018. (for Chronology of Bishops) ^{[self-published]}
• Chow, Gabriel. "Patriarchal See of Jerusalem". GCatholic.org. Retrieved June 16, 2018. (for Chronology of Bishops) [[Wikipedia:SPS|*Cheney, David M. "Archdiocese of Bari-Bitonto". Catholic-Hierarchy.org. Retrieved June 16, 2018. (for Chronology of Bishops) ^{[self-published]}
• Chow, Gabriel. "Metropolitan Archdiocese of Bari–Bitonto (Italy)". GCatholic.org. Retrieved June 16, 2018. (for Chronology of Bishops) ^{[self-published]}