Lake Strusta (Belarusian: Стру́ста; Lithuanian: Strustas) is a freshwater lake in the Braslaw District of Vitebsk Region in Belarus.

The lake has around 22 known species of fish in it, including the European cisco.

The lake covers an area of 13 square km.

[1] The shores are sandy and marshy, with thick stands of bulrushes.

There are numerous little fjords and outlets along the shoreline.