Kalachevsky/Kalachyovsky (masculine), Kalachevskaya/Kalachyovskaya (feminine), or Kalachevskoye/Kalachyovskoye (neuter) may refer to:
Kalachyovsky District, a district of Volgograd Oblast, Russia Kalachevskoye Urban Settlement, incorporating Kalach-na-Donu, Kalachyovsky District, Volgograd Oblast, Russia Kalachevsky (rural locality), Volgograd Oblast, Russia
See also Kalacheyevsky (disambiguation) Kalach (disambiguation)