Agostino Bernal (born at Magallon in Aragon in 1587; died at Saragossa, 13 September 1642) was a Spanish Jesuit theologian.

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He entered the Society of Jesus in 1603 when sixteen years old. A classical scholar, he taught humanities and rhetoric with success. The greater part of his life, however, he spent as professor of philosophy and theology at Saragossa.

His published works are:

• Disputationes de Divini Verbi Incarnatione (Saragossa, 1639);
• Disputationes de Sacramentis in genere, Eucharistia et Ordine (Lyons, 1651), a posthumous work.