| Official Name: | Penntown, Indiana |
| Settlement Type: | Unincorporated community and Census-designated place |
| Pushpin Map: | Indiana#USA |
| Pushpin Label: | Penntown |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Indiana |
| Subdivision Type2: | County |
| Subdivision Name2: | Ripley |
| Subdivision Type3: | Township |
| Subdivision Name3: | Adams |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Coordinates: | 39.2708°N -85.0922°W |
| Elevation Ft: | 984 |
| Postal Code Type: | ZIP code |
| Postal Code: | 47041 |
| Area Code: | 812, 930 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 2830516 |
Penntown is an unincorporated community in Adams Township, Ripley County, in the U.S. state of Indiana.
Penntown was originally called Pennsylvaniaburg, and under the latter name was laid out in 1837.[1] The community was named after Pennsylvania, the native state of a share of the early settlers.[2]