Rudolf Ehrenberger (25 August 1915 – 8 March 1944) was a German Luftwaffe ace and recipient of the Knight's Cross of the Iron Cross during World War II. Ehrenberger was killed on 8 March 1944 near Wittenberge, Nazi Germany. He was posthumously awarded the Knight's Cross on 6 April 1944. During his career he was credited with 49 aerial victories.