Kryuchkov
Kryuchkov is the surname of the following people:
- Borys Kryuchkov (* 1988), Ukrainian handball goalkeeper
- Nikolai Afanassjewitsch Kryuchkov (1911–1994), Soviet actor
- Pyotr Petrovich Kryuchkov (1889–1938), Soviet lawyer and secretary to Maxim Gorky
- Vladimir Alexandrowitsch Kryuchkov (1924–2007), Soviet chief of intelligence