Hans Reingruber (1888–1964) was a German academic and the first minister of transport or traffic of East Germany.
Reingruber was born in Elberfeld (today Wuppertal) on 30 April 1888.
[1] In April 1908 he enrolled at Technical University of Hanover and graduated from the university in 1912 receiving a degree in civil engineering and technical sciences.
[1] His ministerial tenure ended on 30 April 1953, and he was succeeded by Roman Chwalek in the post.
[5] Following the end of his ministerial tenure Reingruber returned to the TU Dresden and served as the department chair.