| Official Name: | Black Oak |
| Pushpin Map: | Indiana#USA |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Indiana |
| Subdivision Type2: | County |
| Subdivision Name2: | Daviess |
| Subdivision Type3: | Township |
| Subdivision Name3: | Barr |
| Coordinates: | 38.6625°N -87.0811°W |
| Elevation Ft: | 518 |
| Postal Code Type: | ZIP code |
| Postal Code: | 47558 |
| Blank Name: | FIPS code |
| Blank Info: | 18-05600[1] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 431138 |
Black Oak is a small unincorporated community in Barr Township, Daviess County, Indiana.
It was named for the presence of black oak trees.[2]