Ernst Julius Günther Röhm (28 November 1887 – 2 July 1934) was a German officer in the Bavarian Army and later an early Nazi leader. He was a co-founder of the Sturmabteilung ("Storm Battalion"; SA), the Nazi Party militia, and later was its commander. In 1934, as part of the Night of the Long Knives, he was executed on Adolf Hitler's orders as a potential rival.
thumb|rignt|200px|Ernst Röhm Ernst Julius Röhm (München, 28 november 1887 – aldaar, 30 juni 1934) was leider van de Sturmabteilung van de NSDAP van 1921 tot 1934. Ook was hij kortstondig minister onder Hitler.
Ernst Julius Röhm (s. 28. marraskuuta 1887 München – k. 1. heinäkuuta 1934) oli Sturmabteilungin (SA) johtaja. Hänet surmattiin nk. pitkien puukkojen yössä