| Official Name: | Leo, Ohio |
| Settlement Type: | Unincorporated community |
| Mapsize: | 250px |
| Pushpin Map: | Ohio |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Ohio |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Jackson |
| Unit Pref: | Imperial |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation Footnotes: | [1] |
| Elevation M: | 218 |
| Elevation Ft: | 715 |
| Coordinates: | 39.1481°N -82.6692°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 45692 |
| Area Code: | 740 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 1070814 |
Leo is an unincorporated community in Jackson Township, Jackson County, Ohio, United States. It is located northwest of Coalton at the intersection of Sour Run Road (County Road 28) and Twin Bridges Road, at 39.1481°N -82.6692°W.[2]
The town is best known as the location of the Leo Petroglyph.