Oswald Eduard Bieber (6 September 1874 – 31 August 1955) was a German architect.

Oswald Bieber was born in Pockau, the son of a carpenter.

He received further training from his older brother, architect Ernst Louis Bieber.

[1] From 1897 to 1900, Bieber worked in the architectural office of Schilling & Graebner in Dresden.

In 1900, he moved to Munich and worked at the city building office under Hans Grässel for six years.