Nelson Lake may refer to:
Canada Nelson Lake (Colchester), Nova Scotia Nelson Lake (Halifax), Nova Scotia Nelson Lake (Hants), Nova Scotia Nelson Lake (Sudbury District), Ontario Nelson Lake (Thunder Bay District), Ontario Nelson Lake (Parry Sound District), Ontario Nelson Lake (Cedar Lake, Kenora District), Ontario Nelson Lake (Timiskaming District), Ontario Nelson Lake (Muskoka District), Ontario Nelson Lake (Gidley Township, Kenora District), Ontario
United States Nelson Lake (Alaska)
Nelson Lake (San Bernardino County), California Nelson Lake (Aitkin County, Minnesota) Nelson Lake (Douglas County, Minnesota) Nelson Lake, Goodhue County, Minnesota Nelson Lake (New York) Nelson Lake (Wisconsin)