Yuri Ivanovich Malenchenko is a Russian cosmonaut. Malenchenko became the first person to marry in space, on 10 August 2003, when he married Ekaterina Dmitrieva, who was in Texas, while he was 240 miles over New Zealand, on the International Space Station. As of March 2011, Malenchenko ranks tenth for career time in space due to his time on both Mir and the International Space Station (ISS).

Malenchenko was born in Khrushchev, Kirovohrad Oblast, Ukrainian SSR. He and his wife Ekaterina Dmitrieva have one child.