Semyon Mikhailovich Lobov (Russian: Семён Михайлович Лобов; 15 February 1913 – 12 July 1977) was a Fleet Admiral in the Soviet Navy.

Lobov was born in Smolnikovo, Volokolamsky District, Moscow Oblast and joined the Soviet Navy in 1932.

In 1946 Lobov transferred to the Black Sea Fleet where he commanded the Kirov-class cruiser Voroshilov.

In 1972 Lobov was deputy chief of staff of the Soviet Navy and became a candidate member of the Central Committee of the Communist Party.

The fourth, incomplete and uncommissioned, Slava-class cruiser Admiral Flota Lobov was named after him.