Mt. Gilead State Park is a public recreation area located immediately to the east of the village of Mount Gilead in Morrow County, Ohio, United States. The state park covers , 32 of which are the upper and lower lakes. It offers hiking, camping, picnicking, fishing and electric-motor boating as well as wintertime ice skating, ice fishing, and cross-country skiing. Access to the park is via State Route 95.
Work on the park began in the early 1900s, with the creation of a dam across Sam's Creek. Work continued through the proceeding decades, with a larger lake being completed below the first one on July 10, 1930. In 1949, the park was turned over to the Ohio Department of Natural Resources.