Margaret Lake could refer to: Lake Margaret (Tasmania), a lake in Australia Margaret Lake, Alberta, location of the Margaret Lake Airport Margaret Lake, Manitoba, a lake on the Winnipeg River Margaret Lake (Glacier County, Montana) Margaret Lake (Kittitas County, Washington) People Margaret Lake, real name of astrologer Mystic Meg Maʻiki Aiu Lake (1925–1984), a hula dancer and influential figure in the second Hawaiian Renaissance