Yuri Pavlovich Gidzenko (Russian: Гидзенко, Юрий Павлович; born March 26, 1962) is a Russian cosmonaut. He was a test cosmonaut of the Yuri Gagarin Cosmonaut Training Center (TsPK). Gidzenko has flown twice into space and has lived on board the Mir and International Space Stations. He has also conducted two career spacewalks. Although he retired on July 15, 2001, he continued his employment by a special contract until Soyuz TM-34 concluded. Since 2004 to May 2009, Gidzenko was the Director of the 3rd department within the TsPK. Since May 2009 he serves as the Deputy Chief of Cosmonaut Training Center TsPK.