Pyotr Semyonovich Vannovsky was a Russian statesman and military leader of Belarusian extraction, who served in the Imperial Russian Army. He was also an honorary member of the Academy of Military Medical, the Mikhailovsky Artillery School, the Mykolaiv Engineering School, the Imperial Academy of Sciences, and a full knight of the Order of St. Vladimir.

Ministry of War of the Russian Empire, was an administrative body in the Russian Empire from 1802 to 1917.