Filippo Tani, O.S.B. (3 May 1631 – 1 January 1712) was a Roman Catholic prelate who served as Bishop of Città Ducale (1686–1712).^[1]

Filippo Tani was born in Albano, Italy on 3 May 1631 and ordained a priest in the Order of Saint Benedict on 7 April 1654.^[2] On 1 April 1686, he was appointed during the papacy of Pope Innocent XI as Bishop of Città Ducale.^[1][2] On 15 April 1686, he was consecrated bishop by Alessandro Crescenzi (cardinal), Cardinal-Priest of Santa Prisca, with Francesco Casati, Titular Archbishop of Trapezus, and Marcantonio Barbarigo, Archbishop of Corfù, serving as co-consecrators.^[2] He served as Bishop of Città Ducale until his death on 1 January 1712.^[1][2]

While bishop, he was the principal co-consecrator of:^[2]

• Carlo Giuseppe Morozzo, Bishop of Bobbio (1693);
• Giulio Marzi, Auxiliary Bishop of Ostia-Velletri (1693); and
• Biagio Gambaro, Bishop of Telese o Cerreto Sannita (1693).

• Cheney, David M. "Diocese of Città Ducale". Catholic-Hierarchy.org. Retrieved June 16, 2018. (for Chronology of Bishops) ^{[self-published]}
• Chow, Gabriel. "Titular Episcopal See of Città Ducale (Italy)". GCatholic.org. Retrieved June 16, 2018. (for Chronology of Bishops) ^{[self-published]}