Erwin Julius Busta (April 12, 1905 – 1982) was an Austrian SS-Hauptscharführer and concentration camp functionary. During World War II Busta was also closely associated with the German V-weapons program; serving on the SS staff at the Peenemünde Army Research Center and the V-2 rocket production facility at Mittelwerk. He was convicted of war crimes by a West German court in 1970.