Sergei Efimovich Gribov (Russian: Сергей Ефимович Грибов; 17 July 1895 – 29 July 1938) was a Soviet komkor (corps commander).
He fought in the Imperial Russian Army during World War I before going over to the Bolsheviks during the subsequent civil war.
He was a recipient of the Order of the Red Banner.
He commanded forces in the North Caucasus region.
During the Great Purge, he was arrested on 28 January 1938 and later executed.