Roman Andreyevich Vlasov (; born 6 October 1990) is a Russian Greco-Roman wrestler. He is a two-time Olympic Champion (2012, 2016), a two-time World Champion (2011, 2015), and a four-time European Champion (2012, 2013, 2018, 2019). He also won the gold medal at the 2013 Summer Universiade. Furthermore, he was runner-up at the 2013 World Championships and the 2014 and 2015 World Cup. Vlasov trains under Viktor Kuznetsov, the same coach who raised Aleksandr Karelin.