Oak Lake, Manitoba is a town in the south-western "Westman region" of Manitoba, Canada. It is located 52 km (32 mi) west of Brandon along the Trans-Canada Highway. The town is enclaved withiin the northern part of the Rural Municipality of Sifton, while the lake after which it was named is in the R.M.'s western area. During the late 19th century, the area around Oak Lake was a popular stopping point for fur traders and settlers due to the large number of big oak trees (revered for their strength) located around the lake that could be used to repair their wagons.