Vestre Bjonevatnet is a small lake in Norway. The 2.16 km2 lake is located primarily in Ringerike Municipality in Buskerud county and the far northern tip of the lake stretches across the border into Søndre Land Municipality and Gran Municipality in Innlandet county. The lake is situated between the lakes Sperillen and Randsfjorden. The European route E16 highway runs north–south, about 2 km to the west of the lake.