| Blue Rock State Park | |
| Photo Width: | 280 |
| Photo Alt: | Entrance sign |
| Map: | Ohio#USA |
| Relief: | 1 |
| Label: | Blue Rock State Park |
| Location: | Muskingum County, Ohio, United States |
| Coords: | 39.8164°N -81.8472°W |
| Elevation: | 840feet |
| Established: | 1949 |
| Designation: | Ohio state park |
| Administrator: | Ohio Department of Natural Resources |
| Website: | Blue Rock State Park |
Blue Rock State Park is a public recreation area located southeast of Zanesville in Muskingum County, Ohio. The state park encompasses that are surrounded by the of Blue Rock State Forest.
The state's purchase of the state forest began in 1936; the dam creating Cutler Lake was finished in 1938; the state park was officially created with the advent of the Division of Parks and Recreation in 1949.
The park offers swimming, boating and fishing on Cutler Lake, camping, nature trails, picnicking facilities, and hunting in the surrounding state forest.