Georg Friedrich Heinrich Hitzig was a German architect, born into the Jewish Itzig family, converted to Lutheranism. He was a student of Karl Friedrich Schinkel.
After his diploma in 1835 he founded an architectural practice in Berlin. In 1855 Hitzig became a member of the Prussian Academy of Arts. In 1868 he became senator and in 1875 president of the academy. in 1880 he was elected department head for building construction of the Academy of Civil Engineering.
For his work he made several educational journeys to Italy, Egypt and Greece.