Zakhar (Russian: Захар) is a given name, the East Slavic form of the biblical name Zechariah or Zachary. Notable people with the name include:

• Zakhar Arzamastsev (born 1992), Russian ice hockey player
• Zakhar Bron (born 1947), Russian violinist and violin pedagogue of Jewish descent
• Zakhar Chernyshyov (1722–1784), Russian field marshal in charge of the College of War from 1763 to 1774
• Zakhar Dubensky (born 1978), association football midfielder from Russia
• Zakhar Kalashov, notorious gangster and thief in law in the Russian-Georgian Mafia
• Zakhar May (born 1969), modern Russian musician, author of many hits
• Zakhar Pashutin (born 1974), Russian professional basketball coach and former player
• Zakhar Prilepin (born 1975), Russian writer, political dissident, member of Russia's unregistered National Bolshevik Party since 1996