Koropets () is a river in Ukraine which flows within the Ternopil and Chortkiv Raions of Ternopil Oblast.
The left tributary of the Dniester River. Length â 78 km, catchment area â 511 km<sup>2</sup>. Width â from 20 m, depth â 0,5-1,5 m.
It flows from a source near the village of Kozivka, and flows through the Podolian Upland, through Kozova, Pidhaitsi, Monastyryska, Koropets.