Oleg Olegovich Yashin (; born 3 December 1990) is a Russian former professional ice hockey winger.
Yashin most recently played for GKS Katowice of the Polska Hokej Liga. He previously played in the Kontinental Hockey League for Atlant Moscow Oblast, Lokomotiv Yaroslavl, HC Yugra, Kunlun Red Star and Severstal Cherepovets.
Yashin's father, Oleg Yashin Sr., was a forward for Khimik Voskresensk and the Fort Wayne Komets.