Klyuchevsky (masculine), Klyuchevskaya (feminine), or Klyuchevskoye (neuter) may refer to: Vasily Klyuchevsky (1841–1911), Russian historian Klyuchevsky District, a district of Altai Krai, Russia Klyuchevsky (inhabited locality) (Klyuchevskaya, Klyuchevskoye), name of several inhabited localities in Russia Klyuchevskaya Sopka, a stratovolcano on the Kamchatka Peninsula, Russia