Peter Ernst Wilde was a Baltic German physician and Enlightenment era Estophile.

He is noted for establishing a printing house at Kuningamäe, Põltsamaa, Estonia, and printing the first Estonian periodical, Lühhike öppetus, there in 1766–1767. In 1771, he supplied material for Arsti ramat, the first Estonian medical manual. He lived in America for a short period.