Feldstein is a surname common among Ashkenazi Jews. Notable people with the surname include:
Al Feldstein (1925-2014), American painter Beanie Feldstein (born 1993), American actress and singer Cemach Feldstein (1884-1944), Russian Jewish educator murdered by the Nazis Jack Feldstein, Australian animator Jonah Hill Feldstein (born 1983), American actor Jordan Feldstein (1977–2017), manager for Maroon 5 Lewis M. Feldstein, American attorney Mark Feldstein (1937-2001), American artist and photographer Martin "Marty" S. Feldstein (1939-2013), American economist Ruth Feldstein, American historian