Oleg Dmitriyevich Kononenko (Russian: Олег Дмитриевич Кононенко) is a Russian cosmonaut. He has flown to the International Space Station three times, as a flight engineer for Expedition 17 aboard Soyuz TMA-12, as a flight engineer on Expedition 30 and commander of Expedition 31 aboard Soyuz TMA-03M, and as a flight engineer on Expedition 44 and Expedition 45 aboard Soyuz TMA-17M. Kononenko has accumulated over 533 days in orbit during three long duration flights to ISS.