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

It flows for 3.3 kilometres (2.1 mi) and has a basin area of 3.4 km2 (1.3 sq mi).

It is a right tributary of the Šušvė river.

The name Lapskojis comes from Lithuanian lapės koja ('a leg of fox').

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