Smith Lake may refer to:
Antarctica Smith Lake (Antarctica)
Australia Smith Lake, a lake and village in the Mid North Coast, New South Wales, Australia Smiths Lake, New South Wales, often mistakenly called Smith Lake
United States Lewis Smith Lake, a lake in North-Central Alabama Smith Lake (University of Alaska Fairbanks), a lake in Fairbanks North Star Borough, Alaska Smith Lake in Cross County, Arkansas Smith Lake in Desha County, Arkansas Smith Lake in Hempstead County, Arkansas Smith Lake in Miller County, Arkansas Smith Lake in White County, Arkansas Smith Lake in Boundary County, Idaho Smith Lake (Berrien County, Michigan) Smith Lake, a lake in Carver County, Minnesota Smith Lake (Murray County, Minnesota) Smith Lake (Wright County, Minnesota) Smith and Bybee Wetlands Natural Area, comprising Smith and Bybee lakes, part of the Columbia Slough system in North Portland Smith Lake, a reservoir in Stafford County, Virginia Smith Lake (Thurston County, Washington)