Kalachevsky

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