Theodor Rossiwall (12 October 1915 – 11 July 1979) was a German Luftwaffe fighter ace and recipient of the Knight's Cross of the Iron Cross during World War II. Rossiwall claimed 19 aircraft shot down in over 400 missions. Among these 19 aerial victories are 2 victories claimed in the Spanish Civil War. He is one of the two pilots credited with the kill of the Royal Air Force (RAF) top ace Pat Marmaduke Pattle, on 20 April 1941, with Sophus Baagoe.