Russian battleship Petropavlovsk (1911)
 The Russian battleship Petropavlovsk (Russian: Петропавловск) was the third of the four Gangut-class dreadnoughts the first Russian class of dreadnoughts built before World War I. She was named after the Russian victory over the British and the French in the Siege of Petropavlovsk in 1854. The ship was completed during the winter of 1914–15 but was not ready for combat until mid-1915.