Ilyinsky (masculine), Ilyinskaya (feminine), or Ilyinskoye (neuter) may refer to:
Ilyinsky (surname) (Ilyinskaya)
Places Ilyinsky District, several districts in Russia Ilyinsky Urban Settlement, a municipal formation which the Work Settlement of Ilyinsky in Ramensky District of Moscow Oblast is incorporated as Ilyinskoye Urban Settlement, a municipal formation which the settlement of Ilyinskoye-Khovanskoye and nineteen rural localities in Ilyinsky District of Ivanovo Oblast are incorporated as Ilyinsky (inhabited locality) (Ilyinskaya, Ilyinskoye), several inhabited localities in Russia Ilyinsky (volcano), a volcano on the Kamchatka Peninsula
See also Ilya (disambiguation) Ilyin Ilyino Ilyinka