Oleg Dmitriyevich Kononenko is a Russian cosmonaut. He has flown to the International Space Station five 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, as a flight engineer on Expedition 44 and Expedition 45 aboard Soyuz TMA-17M, and as commander of Expedition 58 and Expedition 59 aboard Soyuz MS-11 and Expedition 70 and Expedition 71 aboard Soyuz MS-24/MS-25.

Expedition 17 was the 17th expedition to the International Space Station (ISS). The first two crew members, Sergey Volkov, and Oleg Kononenko were launched on 8 April 2008, aboard the Soyuz TMA-12. Once aboard the station, they joined Garrett Reisman, who transferred from Expedition 16 to join the Expedition 17 crew.