Klyuchevsky

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