Belkin (Russian: Белкин), or Belkina (feminine; Белкина), Hebrew:
בלקין is a surname of Russian or Jewish origin, which is derived from the Russian word belka, meaning squirrel (in case of the Russian surname) and the Jewish given name Beylke (diminutive from Beyle, in case of the Jewish surname). Notable people with the surname include:
- Arnold Belkin, Mexican painter
- Boris Belkin, Russian-born violin virtuoso
- Ivan Petrovich Belkin, fictional character in Aleksandr Pushkin's The Tales of the Late Ivan Petrovich Belkin
- Katerina Belkina, Russian photographer and painter
- Lena Belkina, Ukrainian opera singer
- Mike Belkin, Canadian tennis player
- John N. Belkin, Professor of Entomology UCLA
- Nicholas J. Belkin, professor at School of Communication at Rutgers University
- Samuel Belkin, president of the Yeshiva University
- Steve Belkin, businessman and owner of Atlanta Thrashers and Atlanta Hawks
- Yury Belkin, Russian powerlifter, multiple world record holder