Iliysk, from various forms of Russian (), may refer to:
Qonayev, a city in Kazakhstan formerly known as Novoiliysk and Iliysk Ile District, Kazakhstan, formerly known as the Iliysk District Ili Kazakh Autonomous Prefecture, formerly known as the Iliysk Region, particularly during its period of Russian occupation
See also Iliysko, Bulgaria Dungan Revolt (1862–1877), whose Ili Sultanate appears as Ilijsk in Russian sources Taranchi, whose dialect of the Uyghur language appears as Ilijsk in Russian sources