| Round Island | |
| Map: | Ohio |
| Location: | Buckeye Lake, Fairfield Beach, Walnut Township, Fairfield County, Ohio |
| Coordinates: | 39.9197°N -82.4902°W |
| Total Islands: | 1 |
| Elevation M: | 274 |
| Elevation Footnotes: | [1] |
| Country: | United States |
| Country Admin Divisions Title: | State |
| Country Admin Divisions: | Ohio |
| Population: | 1 (Island is currently for sale, and home on the island previously belonged to deceased Wendy's CEO, Dave Thomas.[2] [3] |
| Population As Of: | 2012 |
Round Island, is a private island, located within Buckeye Lake, in Fairfield County, Ohio. In the 1920s, a cottage was built on the island, and in 1995 it was purchased and renovated by the late Dave Thomas, CEO and founder of Wendy's restaurants.[2]