Suoyarvi is a town in the Republic of Karelia, Russia
Suoyarvi may also refer to:
- Lake Suoyarvi, a lake in Russia from which the Shuya River flows
- Suoyarvi I, a railway station in the town of Suoyarvi, Republic of Karelia, Russia
- Suoyarvi II, a railway station in the town of Suoyarvi, Republic of Karelia, Russia