Bykovsky, Bykovskyi or Bykovski (Belarusian: Быкоўскі, Russian: Быковский, Ukrainian: Биковський) is a Slavic masculine surname originating from the word byk meaning a bull; its feminine counterpart is Bykovskaya (Belarusian, Russian) or Bykovska (Ukrainian). The Polish version is Bykowski/Bykowska.
The surname may refer to: