Eugen Freiherr von Gorup-Besanez (15 January 1817 – 24 November 1878) was an Austrian-German chemist.

He was educated in Graz and at Vienna, Padua, Munich, and Göttingen.

He was appointed professor of chemistry at Erlangen in 1849.

His researches on zoöchemical analysis are important: and his work entitled Anleitung zur qualitativen und quantitativen zoöchemischen Analyse (3d ed.

His principal publication is the Lehrbuch der Chemie (vol.