Lev Andreevich Artsimovich (?????????, ??? ????????? in Russian; also transliterated Arzimowitsch) (February 25, 1909 (NS) – March 1, 1973) was a Soviet physicist, academician of the Soviet Academy of Sciences (1953), member of the Presidium of the Soviet Academy of Sciences (since 1957), and Hero of Socialist Labor (1969).