Peter Ernst Wilde (24 August 1732 Woedtke, near Treptow an der Rega – 28 December 1785 Põltsamaa; Old Style: 13 August 1732 – 17 December 1785) 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.