| Filipp Oktyabrsky | |
| Birth Place: | Lukshino, Zubtsovsky Uyezd, Tver Governorate, Russian Empire |
| Death Place: | Sevastopol, Ukrainian SSR, Soviet Union |
| Birth Name: | Filipp Sergeyevich Ivanov (Филипп Сергеевич Иванов) |
| Serviceyears: | 1917–1960 |
| Rank: | Admiral (1944) |
| Commands: | Amur Flotilla, Black Sea Fleet |
| Battles: | Russian Civil War World War II |
| Awards: | Hero of the Soviet Union |
Filipp Sergeyevich Ivanov (ru|Филипп Сергеевич Иванов; – 8 July 1969), more popularly known as Filipp Sergeyevich Oktyabrsky (ru|Филипп Сергеевич Октябрьский), was a Soviet naval commander. He began service in the Baltic Fleet in 1918.[1] From 1925–27 he studied at the Naval Academy in Leningrad.[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" (ru| Черноморское высшее военно-морское училище имени П. С. Нахимова) in Sevastopol.[3]
A Kresta II class cruiser was named in honour of the Admiral.