What is "vainshtein"

Vainshtein is a surname. Notable people with the surname include:

• Gil Vainshtein (born 1984), Canadian soccer player
• Lev Vainshtein (1916–2004), Soviet sport shooter
• Samuil Vainshtein (1894–1942), Russian chess player
• Sev’yan I. Vainshtein (1926–2008), Russian anthropologist and historian