Surprise Lake or Lake Surprise may refer to:
Places Australia Lake Surprise (Western Australia), a lake of Western Australia
Canada Surprise Lake (Roy River), Quebec Surprise Lake (Vancouver Island), British Columbia
New Zealand Lake Surprise (New Zealand), Tongariro National Park, North Island
United States Surprise Lake (Arizona), Surprise, Arizona Surprise Lake (Idaho), Elmore County, Idaho Surprise Lake, Abram S. Hewitt State Forest, West Milford, New Jersey Surprise Lake (Washington), Milton, Washington Surprise Lake (Teton County, Wyoming), a lake in Grand Teton National Park Surprise Lake, a lake in the caldera atop Mount Aniakchak, Alaska Lake Surprise (Watchung Reservation, New Jersey), a reservoir on the Blue Brook in Watchung Reservation in New Jersey
Other uses Surprise Lake Camp, a non-profit sleepaway camp in Cold Spring, New York