Hauptmann Paul Henning Aldabert Theodor von Osterroht (24 September 1887–23 April 1917) IC was a German military aviation pioneer who became a flying ace in World War I.
After valorous service as a bomber pilot and commander,he was called upon to found one of the original German Jagdstaffels.
By March 1917 he led that unit into combat.
Between 29 March and noon of 23 April, he scored seven aerial victories.
Six hours later, he was killed in action while on patrol.