Zelenchuksky (masculine), Zelenchukskaya (feminine), or Zelenchukskoye (neuter) may refer to: Zelenchuksky District, a district of the Karachay–Cherkess Republic, Russia Zelenchukskaya, a rural locality (stanitsa) in the Karachay–Cherkess Republic, Russia Special Astrophysical Observatory of the Russian Academy of Science, sometimes referred to as "Zelenchuksky"