Leutnant Hans Weiss was a German World War I flying ace credited with 16 aerial victories.

After several attempts to volunteer for service at the beginning of World War I, he was accepted by the pioneers at Ingolstadt.

[4] On a later mission, on 26 May 1917, he bombed an enemy supply train, breaking it in half; he then continued the attack despite ground fire from machine guns and infantry.

[2] He was transferred to Royal Prussian Jasta 10[1] which was part of Manfred von Richthofen's "Flying Circus", Jagdgeschwader 1.

He scored a single victory there, on 28 March 1918, before being transferred to another Flying Circus unit, Royal Prussian Jasta 11, as a Flight Leader.