Wolf-Udo Ettel (26 February 1921 – 17 July 1943) was a German World War II Luftwaffe flying ace and a posthumous recipient of the Knight's Cross of the Iron Cross with Oak Leaves, the highest award in the military and paramilitary forces of Nazi Germany during World War II.
Ettel is listed with 124 aerial victories—that is, 124 aerial combat encounters resulting in the destruction of the enemy aircraft—claimed in over 250 missions.
He was killed in action by anti-aircraft artillery on 17 July 1943 over Fascist Italy.