| Official Name: | Underwood |
| Settlement Type: | Unincorporated town and Census-designated place |
| Mapsize: | 120px |
| Pushpin Map: | USA Indiana Clark County |
| Pushpin Map Caption: | Location in Clark County |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Indiana |
| Subdivision Type2: | County |
| Subdivision Name2: | Clark |
| Subdivision Type3: | Township |
| Subdivision Name3: | Monroe |
| Coordinates: | 38.6037°N -85.7744°W |
| Elevation Ft: | 594 |
| Postal Code Type: | ZIP code |
| Postal Code: | 47177 |
| Blank Name: | FIPS code |
| Blank Info: | 18-77084[1] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 445042 |
Underwood is an unincorporated town in Monroe Township, Clark County, Indiana, United States. It took its name from the local Underwood family.[2]
As a newly established Census-designated place, it does not have data in the 2020 census. The 2022 American Community Survey, estimated a population of around 1,000 residents.[3]