| Official Name: | Flat Rock, Indiana |
| Pushpin Map: | Indiana#USA |
| Pushpin Label: | Flat Rock |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Indiana |
| Subdivision Type2: | County |
| Subdivision Name2: | Shelby |
| Subdivision Type3: | Township |
| Subdivision Name3: | Washington |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Coordinates: | 39.3619°N -85.8314°W |
| Elevation Ft: | 689 |
| Postal Code Type: | ZIP code |
| Postal Code: | 47234 |
| Blank Name: | FIPS code |
| Blank Info: | 18-23566[1] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 2830528 |
Flat Rock is an unincorporated community in Washington Township, Shelby County, in the U.S. state of Indiana.
Flat Rock was platted in 1855.[2] It took its name from the Flatrock River.[3] Its post office has operated since 1828.[4]
It had its own high school, Flat Rock High School, which operated from 1893 until its closure in 1958 when the community became part of the Southwestern Consolidated School Corporation of Shelby County.[5]