Juan Bautista Villalpando (also Villalpandus, or Villalpanda, born 1552 in Córdoba, Spain—died 22 May 1608 in Rome) was a Spanish Jesuit scholar, mathematician, and architect.
Villalpando became a Jesuit in 1575, and for the Society he designed buildings such as the Cathedral in Baeza and San Hermenegildo Church in Seville. He studied geometry and architecture with Juan de Herrera, the architect of Philip II of Spain. After ordination, he specialised in Exegesis of the Old Testament.
After first publishing his Ezechielem Explanationes, or Commentary on Ezekiel, with Jerónimo del Prado in 1596 he was accused of heresy and faced an Inquisition, subsequently he was found innocent. Also in 1596, Villalpando travelled to Rome where he published further volumes in 1604, and died in 1608.
Villalpando's major work as a scholar was a commentary on the prophet Ezekiel, which was published with the support of Philip II. This text included imaginative reconstructions of Solomon's Temple and depictions of Jerusalem, which were renowned and influential. They were based on the vision of the prophet Ezekiel, and appeared in his Ezechielem Explanationes. They inspired many European illustrators and were circulated among the master builders of the 17th century.
His reconstructed drawings were based on the assumption that the buildings of Jerusalem were designed using the laws of geometry, and they were drawn in parallel or orthographic projection, which is a form of image Villalpando likened to God's vision. Furthermore, they proposed an original link between the classical orders and Solomon's Temple. After the Renaissance republication of Vitruvius' De architectura, which had reported that the origins of the orders lay in the Architecture of ancient Greece, Villalpando reinterpreted them to provide a higher authority. His reading was that they had been derived from the architecture of Solomon's Temple, thus reconciling the Bible with the antique architecture described in Vitruvius' text, and finding classical architecture's origins in God.