Ilya, Illya, Iliya, Ilja, Ilija, or Ilia is the Slavic form of the male Hebrew name Eliyahu (Elijah), meaning "My god is He". It is pronounced with stress on the second syllable. The diminutive form is Ilyusha or Ilyushenka. The Russian patronymic for a son of Ilya is "Ilyich", and a daughter is "Ilyinichna".
Ilya is also a Kurdish name meaning great and glorious.