| Official Name: | Lake Bruce, Indiana |
| Pushpin Map: | Indiana#USA |
| Pushpin Label: | Lake Bruce |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Indiana |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Fulton, Pulaski |
| Subdivision Type3: | Townships |
| Subdivision Name3: | Union, Harrison |
| Coordinates: | 41.0731°N -86.4619°W |
| Elevation Ft: | 722 |
| Postal Code Type: | ZIP code |
| Postal Code: | 46939 |
| Blank Name: | FIPS code |
| Blank Info: | 18-41004[1] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 2830504 |
Lake Bruce is an unincorporated community and census-designated place (CDP) in Union Township, Fulton County, Indiana (and partially in Pulaski County). It was named after the 245-acre lake nearby.[2]