Bythinella austriaca
- kingdom: Animalia
- phylum: Mollusca
- class: Gastropoda
- order: Littorinimorpha
- family: Bythinellidae
- genus: Bythinella
- species: Bythinella austriaca
Hohenberg
Klosterneuburg
Lower Austria
Bergheim
Schleedorf
Salzburg
Anger
Baierdorf-Umgebung
Styria
Austria
Haiming
Simbach am Inn
Stubenberg
Bavaria
Germany
Kłodzko
Lower Silesia
Poland