Pyatnitsky (masculine), Pyatnitskaya (feminine), or Pyatnitskoye (neuter) may refer to:
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Pyatnitsky (surname) (''Pyatnitskaya''), Russian last name
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Pyatnitsky Choir, Russian musical group
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Pyatnitsky (inhabited locality) (''Pyatnitskaya'', ''Pyatnitskoye''), several inhabited localities in Russia
{{Disambiguation