| Wittnau | |
| Image Coa: | DEU Wittnau COA.svg |
| Coordinates: | 47.9458°N 7.8147°W |
| Image Plan: | Wittnau in FR.svg |
| State: | Baden-Württemberg |
| Region: | Freiburg |
| District: | Breisgau-Hochschwarzwald |
| Elevation: | 378 |
| Area: | 5.04 |
| Postal Code: | 79299 |
| Area Code: | 0761 |
| Licence: | FR |
| Gemeindeschlüssel: | 08 3 15 125 |
| Divisions: | 2 |
| Website: | www.wittnau.de |
| Mayor: | Jörg Kindel[1] |
| Leader Term: | 2018 - 26 |
Wittnau is a community in the district of Breisgau-Hochschwarzwald in Baden-Württemberg in Germany.thumb|none|380px|The municipality of Wittnau am Schönberg, with Freiburg in the background