Paolo Leoni (died 1590) was a Roman Catholic prelate who served as Bishop of Ferrara (1578âÂÂ1590).
On 17 March 1578, Paolo Leoni was appointed during the papacy of Pope Gregory XIII as Bishop of Ferrara. On 4 May 1578, he was consecrated bishop by Giulio Canani, Bishop of Adria, with Ercole Sacrati, Bishop of Comacchio, and Sisto Visdomini, Bishop of Modena, serving as co-consecrators. He served as Bishop of Ferrara until his death on 7 August 1590.