List of Famous people named Petrus

Petrus Johannes Waardenburg was a Dutch ophthalmologist, geneticist, and pioneer in the application of genetics to ophthalmology. Waardenburg syndrome is named after him.

Petrus Petri was a thirteenth-century Spanish master architect. For centuries it was held with complete certainty that he was the first master architect of the Cathedral of Toledo, based on the only existing testimony regarding the authorship, a legend inscribed in vulgar Latin still visible on a tombstone in the church

Petrus Petri, deceased in 1291, master of the church of Saint Mary of Toledo, whose fame was propagated by his good examples and customs, who constructed this temple and rests here, for what an admirable building he made, he will not feel the wrath of God.

Petrus Johannes Blok was a Dutch historian.

Petrus Apianus, also known as Peter Apian, Peter Bennewitz, and Peter Bienewitz, was a German humanist, known for his works in mathematics, astronomy and cartography. His work on "cosmography", the field that dealt with the earth and its position in the universe, was presented in his most famous publications, Astronomicum Caesareum (1540) and Cosmographicus liber (1524. His books were extremely influential in his time, with the numerous editions in multiple languages being published until 1609. The lunar crater Apianus and asteroid 19139 Apian are named in his honour.