Igor Dmitriyevich Sergeyev (Russian: Игорь Дмитриевич Сергеев; 20 April 1938 – 10 November 2006) was a Soviet and later Russian military officer who was Minister of Defense of Russia from 22 May 1997 to 28 March 2001. Before that he was the commander of the Strategic Rocket Forces from 26 August 1992 to 22 May 1997. He was the first and, as of 2025, the only Marshal of the Russian Federation.[1]