Anyuy may refer to:
- Anyuy Mountains in far northeastern Russia
- Anyuy Volcano
- Anyuy (Kolyma), a right tributary of the Kolyma in the Sakha (Yakutia) Republic, Russia
- Maly Anyuy, a tributary of the Anyuy
- Bolshoy Anyuy, a tributary of the Anyuy
- Anyuy (Amur), a tributary of the Amur in Khabarovsk Krai, Russia