Seydisuyu River

Water type: River
Continent: Asia
Climate: Subtropical
Country: Turkey

Seydisuyu (also spelled Seydi Suyu) is a 40 km long river in Eskişehir Province, Turkey. It is a branch of Sakarya. Çatören Dam is built on Seydisuyu. It also runs through the town of Doğançayır.