Sernau
Sernau is a family and place name:
- Lola Humm-Sernau (1895–1990), Lion Feuchtwanger's secretary
- Sernau , until 1938 Rakowken , Johannisburg district, East Prussia, from 1945 Rakówko , since before 2005: Turowo Duże in Powiat Piski, Warmian-Masurian Voivodeship, Poland
- Sernau (municipality of Gamlitz) , cadastral municipality and village of Gamlitz , Styria
