Wienau (disambiguation)
Wienau is the name of the following places:
- Wienau , a district of Dierdorf in Germany
- Wienau (municipality of Maria Laach) , part of the market town of Maria Laach am Jauerling , Krems-Land district, Lower Austria
- Wienau (community of Weitersfelden) , part of the market community of Weitersfelden, Freistadt district, Upper Austria