| Otter Lake | |
| Coords: | 45.4436°N -89.1864°W |
| Basin Countries: | United States |
| Area: | 83acres |
| Max-Depth: | 27feet |
| Volume: | 1223acre.ft |
| Shore: | 30.2miles |
| Elevation: | 1585feet |
| Cities: | Elcho, Wisconsin |
| Pushpin Map: | Wisconsin#USA |
| Pushpin Map Alt: | Location of Otter Lake in Wisconsin, USA. |
Otter Lake is a lake in the community of Elcho in Langlade County, Wisconsin, United States. The lake covers an area of and has a maximum depth of . The Hunting River flows from the lake.[1] The name is a direct translation of indigenous names for the lake, such as the Menominee name Mekēk-Nepēhsaeh.[2]