Otter Lake may refer to:
U.S. Otter Lake (Illinois), a lake Otter Lake, Indiana, a census-designated place Otter Lake (Michigan), any of several lakes Otter Lake (Waterford Township, Michigan) Otter Lake, Michigan, a village Otter Lake (Cayuga County, New York), a lake Otter Lake (Arietta, Hamilton County, New York), a lake Otter Lake, New York, a hamlet in Oneida County Otter Lake (Oneida County, New York), a lake Otter Lake (Elcho, Wisconsin) Otter Lake (Washington), within the Alpine Lakes Wilderness
Canada Otter Lake (British Columbia), a lake in the Tulameen Valley in the Similkameen Country Otter Lake Provincial Park in British Columbia Otter Lake, Nova Scotia, a small unincorporated town Otter Lake (Nova Scotia), any of several lakes Otter Lake (Otter River), the source of the Otter River, in Kenora District, Ontario Otter Lake (Rideau Lakes, Leeds and Grenville United Counties, Ontario) Otter Lake (Seguin, Parry Sound District, Ontario) Otter Lake, Quebec, a municipality Otter Lake (Saskatchewan), a lake Otter Lake Airport in Saskatchewan Otter Lake Water Aerodrome in Saskatchewan