Heinrich Kroll (1894-1946) was a German First World War fighter ace credited with 33 confirmed aerial victories.
He shot down his first five opponents while flying combat for the fighter squadron Jagdstaffel 9, beginning in November 1916.
By the time a severe wounding removed him from flight duty on 14 August 1918, he had scored an additional 28 victories.
Background data was abstracted from Above the Lines: The Aces and Fighter Units of the German Air Service, Naval Air Service and Flanders Marine Corps, 1914–1918, ISBN 978-0-948817-73-1, pp.
Abbreviations were expanded by the editor creating this list.