Pyatnitsky (surname)
Pyatnitsky or Pyatnitskaya is a Russian surname. It is shared by the following people:
- Andrey Pyatnitsky, Russian association football player
- Konstantin Pyatnitsky, Russian journalist, publisher, and memoirist
- Mitrofan Pyatnitsky, Russian musician, founder of the Pyatnitsky Choir
- Osip Piatnitsky, Soviet politician
- Valery Pyatnitsky, Ukrainian politician
Fictional characters
- Maxim Arturovitch Pyatnitski, the protagonist of the Pyat Quartet tetralogy by Michael Moorcock