Filipp Sergeyevich Ivanov (Russian: Филипп Сергеевич Иванов; 23 October [O.S.

11 October] 1899 – 8 July 1969), more popularly known as Filipp Sergeyevich Oktyabrsky (Russian: Филипп Сергеевич Октябрьский), was a Soviet naval commander.

[2] As vice-admiral he was given command of the Black Sea Fleet in March 1939 and headed its actions during the Sieges of Sevastopol (1941-1942) and Odessa (1941).

After the war he became a Deputy Commander-in-Chief of the Navy, commander of all naval test centres and from 1957 to 1960 head of the Black Sea Higher Naval Institute "Admiral Pavel Nakhimov" (Russian: Черноморское высшее военно-морское училище имени П. С. Нахимова) in Sevastopol.

[3] A Kresta II class cruiser was named in honour of the Admiral.