Walter Sigel (12 January 1906 – 8 May 1944) was a highly decorated Oberst in the Luftwaffe during World War II, and one of only 882 recipients of the Knight's Cross of the Iron Cross with Oak Leaves. The Knight's Cross of the Iron Cross and its higher grade Oak Leaves was awarded to recognise extreme battlefield bravery or successful military leadership. Walter Sigel died on 8 May 1944 after crashing his Fieseler Storch into the Trondheimfjord.