The Velyka Vys (Ukrainian: Велика Вись) is a river in Ukraine, a left tributary of the Syniukha, in the basin of the Southern Bug.

It is 166 kilometres (103 mi) long and its basin area is 2,860 square kilometres (1,104 sq mi).

[1] The Velyka Vys river finds its source near the village of Onykiieve in Novoukrainka Raion, Kirovohrad Oblast.

It flows through Novomyrhorod.

This article related to a river in Ukraine is a stub.