Fulgenzio Manfredi, OFM (Venice, c. 1560 – Rome, 5 July 1610), or Fra Fulgenzio, was a Franciscan friar, an observant minor, and active preacher in Venice from 1594. During the Venetian Interdict imposed by Pope Paul V, he gained particular prominence for his anti-Roman sermons, preaching against papal regulation of religious orders in the Venetian republic.