Pyana

General data
- Water type: River
- Progression: Sura -> Volga -> Caspian Sea -> Planet Earth
- Climates: Continental
- Continents: Europe
- Countries: Russia
Description
The Pyana (Russian: Пья́на) is a river in Nizhny Novgorod Oblast and the Republic of Mordovia, Russia. It is a left tributary of the Sura. It is 436 km in legth.