Masin Mikhail Davidovich (1917, Belorussian SSR — unknown) — industrial manager, military officer.

From 1932 to 1934 he worked as an apprentice lathe operator at the Kirov Plant in Leningrad. From 1934 to 1936 he worked there as a metal lathe operator. In 1941 he entered the Military-Political School of the Volga Military District in the city of Engels. From 1941 to 1942 he served as a military commissar of the North Caucasus Military District. From 1942 to 1944 he was deputy commander of the 43rd Rifle Brigade of the North Caucasus Front. In 1944 he was transferred to the Baltic Front, where he held the position of adjutant in the 15th Air Army.

From 1946 to 1949 he worked as head of an army warehouse of the 15th Air Army. From 1949 to 1951 he studied at the Higher Military Officers’ School in Leningrad. From 1951 to 1955 he worked as deputy head of the tool shop at the Riga Carriage Works. From 1955 to 1964 he served as head of tool shops and sections at various enterprises in Riga. From 1964 he worked at the Riga Jewelry Factory.