The Wesachewan River is a short river in the Hudson Bay drainage basin in census division No.

22 (Thompson-North Central) of Northern Manitoba, Canada.

It flows 2.5 kilometres (1.6 mi) out of Vermilyea Lake via twin channels which combine at 54°30′31″N 94°44′28″W / 54.50861°N 94.74111°W / 54.50861; -94.74111, then flows over the Namaykos Rapids, and empties into Wesachewan Bay on Gods Lake.

The main channel from Vermilyea Lake is the east channel (given here as the primary source in the Infobox on the right), which is straighter and 1.8 kilometres (1.1 mi) shorter than its twin (1.25 km or 0.78 mi versus 3.05 km or 1.90 mi) than the west channel (given here as the secondary source).

This article related to a river in Manitoba, Canada is a stub.