Konstantin Semyonovich Sidenko (Russian: Константин Семёнович Сиденко; born 2 February 1953) is a Russian admiral and a recipient of Order of Military Merit and Order for Service to the Homeland in the Armed Forces of the USSR.

Later on, in 1989, he graduated from the Naval Academy after which he served with the Pacific Fleet as deputy commander in charge of submarines.

In December 2007 he was promoted to the commander of the Pacific Fleet and in July 2010 became commander-in-chief of the Eastern Military District.

As of 29 December 2010 under a Decree of the Russian President Sidenko was appointed as commander at the same place.

[1] He graduated from the Makarov Pacific Higher Naval School (1970–1975), the Supreme Special Officer Classes of the Soviet Navy (1982–1983), the Marshal Grechko Naval Academy (1987–1989), and the General Staff Academy (1992–1994).