| Official Name: | Petersville, Indiana |
| Settlement Type: | Unincorporated community and Census-designated place |
| Mapsize: | 120px |
| Pushpin Map: | USA Indiana Bartholomew County |
| Pushpin Label: | Petersville |
| Pushpin Map Caption: | Location in Bartholomew County |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Indiana |
| Subdivision Type2: | County |
| Subdivision Name2: | Bartholomew |
| Subdivision Type3: | Township |
| Subdivision Name3: | Clay |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Coordinates: | 39.2264°N -85.8192°W |
| Elevation Ft: | 656 |
| Postal Code Type: | ZIP code |
| Postal Code: | 47203 |
| Blank Name: | FIPS code |
| Blank Info: | 18-59400[1] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 2830315 |
Petersville is an unincorporated community in Clay Township, Bartholomew County, in the U.S. state of Indiana.
A post office was established at Petersville in 1873, and remained in operation until it was discontinued in 1900.[2] The community was named for its founder, Peter T. Blessing.[3]