Margaret "Peggy" Stern (born September 22, 1948, Philadelphia, Pennsylvania) is an American jazz pianist and synthesizer player.
In the 1980s she performed as a jazz musician in an octet with Richie Cole and Julian Priester.
Stern taught at the Cornish Institute in Seattle from 1981 to 1989 and at the State University of New York at Purchase from 1991 to 1997.
In 2004 Stern started the Wall Street Jazz Festival in Kingston, New York.
The festival has included Allison Miller, Claire Daly, Dena DeRose, Erica Lindsay, Ingrid Jensen, Jamie Baum, Jay Clayton, Jenny Scheinman, Lee Shaw, Marilyn Crispell, Natalie Cressman, Roberta Piket, Sheila Jordan, Sheryl Bailey, Sue Terry, and Virginia Mayhew.