Olonetsky

Olonetsky (masculine), Olonetskaya (feminine), or Olonetskoye (neuter) may refer to:
 * Olonetsky District, a district of the Republic of Karelia, Russia
 * Olonetskoye Urban Settlement, a municipal formation incorporating the town of Olonets and eight rural localities in Olonetsky District of the Republic of Karelia, Russia
 * Olonets Governorate (Olonetskaya guberniya), a governorate of the Russian Empire
 * Olonets Viceroyalty (Olonetskoye namestnichestvo), a viceroyalty of the Russian Empire bordering Vologda Viceroyalty
 * Olonets Oblast (Olonetskaya oblast), a division of the Russian Empire, originally in Novgorod Viceroyalty