Oleg Zemlyakov (born 7 July 1993) is a Kazakhstani professional racing cyclist. He rode in the men's team time trial at the 2015 UCI Road World Championships. He was crowned as the champion of the 2016 Tour de Filipinas individual general classification after 4 stages; He finished first in the race with a time of 17 hours, 36 minutes and 52 seconds to claim the yellow jersey.