Chernyak
Tschernjak or Tscharnjak is the family name of the following people:
- Jan Tschernjak (1909–1995), Soviet spy, primarily in Germany during the Nazi era
- Mikalaj Tscharnjak (* 1986), Belarusian weightlifter
- Stepan Ivanovich Tschernjak (1899–1976), Soviet general