Rachkovsky or Rachkovski (, ; both of them may be transliterated in both ways; in addition the Ukrainian one may be transliterated as Rachkovskyi). The Russian feminine form is Rachkovskaya (Russian: Рачковская). Ukrainian feminine: Rachkovska/Rachkovs'ka (Рачковська). It corresponds to the original Polish noble surname Raczkowski. Lithuanized form: Račkauskas.
The surname may refer to:
Ilya Rashkovskiy, Russian pianist (born 1985), Ukrainian novelist, poet, journalist, local historian, composer, public figure, ethno-rock performer. Pyotr Rachkovsky (1853–1910), Russian Empire police official Vangeliya Rachkovska, Bulgarian volleyballer