Penne Percy Korth Peacock (born November 3, 1942) is an American diplomat. She graduated from the University of Texas in 1964 with a B.A. She is a commissioner of the U.S. Advisory Commission on Public Diplomacy. Nominated in 1997, Korth Peacock previously served as Ambassador to Mauritius from 1989 to 1992. In 1993, Korth Peacock co-founded Firestone and Korth Ltd., a corporate consulting and events management firm in Washington, D.C.