The Ioniveyem (Russian: Ионивеем,[1] also Ионивээм Ioniveem, Yeni-Veyem and Yoniveem) is a river located in the Chukotka Peninsula in Far East Siberia, Russia.

It flows northwards into the Kolyuchinskaya Bay, Chukchi Sea.

This river and its basin belong to the Chukotka Autonomous Okrug administrative region of Russia.

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