Stefan Stepanov (born September 23, 1992) is a Russian professional ice hockey defenceman. He became an unrestricted free agent after playing with Atlant Moscow Oblast of the Kontinental Hockey League (KHL). Stepanov was a first round selection in the 2009 KHL Junior Draft. Stepanov made his Kontinental Hockey League (KHL) debut playing with HC CSKA Moscow during the 2010–11 KHL season.