Tretyakovsky (masculine), Tretyakovskaya (feminine), or Tretyakovskoye (neuter) may refer to: Tretyakovsky District, a district of Altai Krai, Russia Tretyakovsky (rural locality), a rural locality (a settlement) in Novosibirsk Oblast, Russia Tretyakovskaya (Moscow Metro), a station of the Moscow Metro, Moscow, Russia Tretyakov Gallery (Tretyakovskaya galereya), an art gallery in Moscow, Russia