Hans-Jürgen Treder (born 4.09.1928) is a German theoretical physicist and a member of the Academy of Sciences of the GDR (1966). He was born in Berlin. He graduated from the A. Humboldt University. In 1963-66 he was director of the Institute of Pure Mathematics of the Academy of Sciences of the GDR, in 1966-68 of the Babelsberg Observatory of the Academy of Sciences of the GDR, and from 1969 of the Central Institute of Astrophysics of the Academy of Sciences of the GDR. From 1963 he has also been a professor at the A. Humboldt University in Berlin.
His research concerned general relativity, the theory of gravitation, in particular shock gravitational waves, unified field theory, philosophical questions of physics and the history of physics. He proposed the tetrad version of the theory of gravitation.
Hero of Labour of the GDR.