| Image Coa: | Wappen Hardthausen am Kocher.png |
| Coordinates: | 49.2333°N 33°W |
| Image Plan: | Hardthausen am Kocher in HN.png |
| State: | Baden-Württemberg |
| Region: | Stuttgart |
| District: | Heilbronn |
| Elevation: | 182 |
| Area: | 35.55 |
| Postal Code: | 74239 |
| Area Code: | 07139 |
| Licence: | HN |
| Gemeindeschlüssel: | 08 1 25 111 |
| Divisions: | 3 |
| Website: | www.hardthausen.de |
| Mayor: | Thomas Einfalt[1] |
| Leader Term: | 2018 - 26 |
Hardthausen am Kocher is a town in the district of Heilbronn in Baden-Württemberg in southern Germany.
Hardthausen lies in the east of the county of Heilbronn in the lower Kocher valley on the southern edge of the Harthausen Forest.