The Vikšrupis is a river of Kėdainiai district municipality, Kaunas County, central Lithuania.

[2] It starts near Jakšiai village, then flows to the west through the Pernarava-Šaravai Forest.

The lower course is designated as the Pavikšrupys Botanical Zoological Sanctuary.

The hydronym Vikšrupis is a compound noun which the first root vikšr- could mean either 'rush' (vikšris) or 'caterpillar' (vikšras) while the second root up- means 'river' (upė).

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