Liebenau can refer to:
- Places in Germany
- Liebenau, Hesse, a town in the district of Kassel, Hesse
- Liebenau, Lower Saxony, a municipality in the district of Nienburg, Lower Saxony
- Liebenau (Samtgemeinde), a former collective municipality which included Liebenau, Lower Saxony
- Liebenau monastery, a former Dominican monastery in Worms, Germany
- Places in Austria
- Liebenau (Graz), a district of the city of Graz, Styria
- Stadion Graz-Liebenau, a football stadium in Graz-Liebenau
- Liebenau, Upper Austria, a municipality in the district of Freistadt, Upper Austria
- Places in Czech Republic
- Liebenau, Bohemia, historic name, now Hodkovice nad Mohelkou
- Liebenau, Bohemia, Broumov Highlights, historic name, now disappeared
- Places in Poland
- Gmina Lubrza, Lubusz Voivodeship, known as Liebenau prior to 1945 when the area known as the Neumark was German territory