| Image Coa: | Wappen Offenau.svg |
| Coordinates: | 49.25°N 19°W |
| Image Plan: | Offenau in HN.png |
| State: | Baden-Württemberg |
| Region: | Stuttgart |
| District: | Heilbronn |
| Elevation: | 148 |
| Area: | 5.66 |
| Postal Code: | 74254 |
| Area Code: | 07136 |
| Licence: | HN |
| Gemeindeschlüssel: | 08 1 25 079 |
| Website: | www.offenau.de |
| Mayor: | Michael Folk[1] |
| Leader Term: | 2019 - 27 |
| Party: | SPD |
Offenau (pronounced as /de/) is a town in the district of Heilbronn in Baden-Württemberg in Germany.