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