Oak Lake

Oak Lake may refer to:


 * Oak Lake, Manitoba, a small town in Manitoba, Canada
 * Oak Lake Beach, a community in Manitoba
 * Oak Lake (Manitoba), a lake in Manitoba
 * Oak Lake, Minnesota, United States, a former town
 * Oak Lake, a lake in Carver County, Minnesota
 * Oak Lake, a lake in Lincoln County, Minnesota
 * Oak Lake (Polk County, Minnesota)
 * Oak Lake (Nova Scotia), the name of various lakes in Nova Scotia
 * Oak Lake (South Dakota)
 * Oak Lake Indian Reserve, a reserve in Manitoba