Ludovico da Bologna (fl. 1431/1454–1479) was an Italian diplomat and churchman. A lay Franciscan, he traveled extensively on diplomatic missions for both the Holy See and various powers, both Christian and Islamic. The overarching goal of his travels was the creation of an alliance against the rising power of the Ottoman Empire. In 1461, he was named Patriarch of Antioch, but he never received canonical investiture.