| Official Name: | Pine Grove, Louisiana |
| Pushpin Map: | Louisiana#USA |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Louisiana |
| Subdivision Type2: | Parish |
| Subdivision Name2: | Ouachita |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation Ft: | 69 |
| Coordinates: | 32.4536°N -92.0511°W |
| Area Code: | 318 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 538164 |
Pine Grove is an unincorporated community in Ouachita Parish, Louisiana, United States. Pine Grove is located on Louisiana Highway 15, southeast of downtown Monroe.