Saint Bonaventure, O.F.M., (Italian: San Bonaventura; 1221 – 15 July 1274) born Giovanni di Fidanza, is an Italian medieval scholastic theologian and philosopher.

The seventh Minister General of the Order of Friars Minor, he is also a Cardinal Bishop of Albano.

He is canonized on April 14, 1482 by Pope Sixtus IV and declared a Doctor of the Church in the year 1588 by Pope Sixtus V. He is known as the "Seraphic Doctor" (Latin: Doctor Seraphicus).

Many writings believed in the Middle Ages to be his are now collected under the name Pseudo-Bonaventura.