6 ships of the Imperial Russian and Soviet Navies have been named Petropavlovsk after the 1854 Siege of Petropavlovsk.
- Steam frigate converted to an armored frigate while under construction - pre-dreadnought battleship sunk during the Russo-Japanese War of 1904–1905 - that participated in World War I and World War II before being scrapped in 1953 - formerly named Lützow - formerly named Kaganovich - commissioned in 1973 and scrapped in 1996
See also Soviet cruiser Petropavlovsk Petropavlovsk (disambiguation)