Julius Eduard Hitzig (born Isaac Elias Itzig; 26 March 1780 in Berlin – 26 November 1849 in Berlin) was a German author and civil servant.
Born into the wealthy and influential Jewish Itzig family, he was between 1799 and 1806 a Prussian civil servant, became Criminal Counsel at the Berlin Supreme Court in 1815 and its director in 1825.
In 1808 he established a publishing house and later a bookstore.
Hitzig was much involved in the Berlin literary life of his period, notably in connection with the salon of Rahel Varnhagen.