Max Rosenthal House is a historical tenement located at 42 Gdańska Street in downtown Bydgoszcz, Poland, built when the city was part of the Kingdom of Prussia.

[2] It was designed by the architect Fritz Weidner, following a commission from the shipping investor (German: Spediteur) Max Rosenthal.

The first tenant was Friedrich Herzer, who ran a men's fashion salon offering elegant clothing, uniforms and sportswear until World War I.

[4] During First World War, he gave nursing courses to young mother at the Infant Dispensary on Kościelecki Square.

End of 2017, a thorough refurbishment of the building has anew underlined the features of the elevation on Gdańska street.