| Official Name: | Locust Grove, Ohio |
| Pushpin Map: | Ohio#USA |
| Pushpin Relief: | yes |
| Pushpin Label: | Locust Grove |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Ohio |
| Subdivision Type2: | County |
| Subdivision Name2: | Mahoning |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation Ft: | 1237 |
| Coordinates: | 40.9439°N -80.7639°W |
| Area Code: | 234/330 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 1042707 |
Locust Grove is an unincorporated community in Mahoning County, Ohio, United States. Locust Grove is located on Ohio State Route 165, 12.3miles south-southwest of Youngstown.