South Salem is a hamlet in Lewisboro, Westchester County, New York. The county ranks second for wealthiest counties in New York State and the ninth wealthiest county nationally (based on per-capita income). In the town center is a post office, the town hall, a library and a recycling center.
Notable residents have included the 33rd Vice President of the United States Henry A. Wallace, Major John Andre (British spy held captive), Rolling Stones guitarist Keith Richards, the photographer O. Winston Link, the artist Charles Sheeler (American, 1883–1965), the pianist Hélène Grimaud, the composer and arranger Clare Grundman, the singer and musical stage headliner Sally Ann Howes, the actress Colleen Dewhurst, and notorious real estate scion Robert Durst.
The Osborn-Bouton-Mead House was added to the National Register of Historic Places in 2004.