Petrus Mosellanus Protegensis (real name Peter Schade) (b. 1493 in Bruttig, d. 19 April 1524 in Leipzig) was a German humanist scholar. He is best known for the popular work on rhetoric, Tabulae de schematibus et tropis, and his Paedologia. He became professor at the University of Leipzig.
He gave the opening Latin oration at the 1519 Leipzig Disputation between Johann Eck and Martin Luther.