Valevatn is a lake in the municipality of Sirdal in Agder county, Norway.

The 6.97-square-kilometre (2.69 sq mi) lake lies just north of the lake Gravatnet and a short distance west of the village of Kvæven.

There are two dams on the east side of the L-shaped lake.

The lake drains into the lake Gravatnet and the river Sira which runs just east of the lake.

This article related to a lake in Agder in Norway is a stub.