Sigizmund Aleksandrovich Levanevsky (Russian: ????????? ????????????? ???????????, Polish: Zygmunt Lewoniewski; 15 May [O.S.
2 May] 1902 – 13 August 1937) was a Soviet pioneer of long-range flight who was awarded the title Hero of the Soviet Union in 1934 for his role in the SS Chelyuskin rescue.