Faitlin (Feitlin) Semyon Yakovlevich (1914, Novozybkov, Oryol region — unknown) — engineer.

In 1938, Semyon Faitlin graduated from the Kharkiv Electrotechnical Communications College with a specialization as a technician in the operation of central telegraph stations. From 1938 to 1941, he worked as a technician at the Central Telegraph Office in Kharkiv.

With the approach of military operations to Kharkiv, he was evacuated to Tashkent, where he worked as a senior technician at the regional communications office. After the end of the war, he moved to Dnepropetrovsk, where he worked as a technician in Bridge Train No. 412.

In 1946, he moved to Riga and took a position as a technician at the Central Telegraph Office. In the same year, he changed jobs and joined the VEF factory, where until 1962 he worked as a design engineer in the Special Design Bureau. From 1962 to 1965, he worked at the “Kommutator” factory. From 1965 onward, he worked as a design engineer in the standardization and normalization department of the VEF factory.