| Otsego Lake State Park | |
| Iucn Category: | III |
| Iucn Ref: | [1] |
| Photo Width: | 280 |
| Map: | USA Michigan#USA |
| Map Width: | 280 |
| Relief: | 1 |
| Location: | Otsego County, Michigan, United States |
| Nearest City: | Gaylord, Michigan |
| Coordinates: | 44.9328°N -84.6889°W |
| Designation: | Michigan state park |
| Established: | 1920 |
| Administrator: | Michigan Department of Natural Resources |
| Website: | Otsego Lake State Park |
Otsego Lake State Park is a public recreation area covering on the southeast shore of Otsego Lake in Otsego Lake Township, Otsego County, Michigan.
The park was among 13 parks established in 1920 following the creation of the Michigan State Parks Commission in 1919. Improvements made by the Civilian Conservation Corps in the 1930s included a wood-frame bathhouse constructed in 1934.
The park offers fishing, swimming, picnicking facilities, boat launch, and 155-site campground.