Hamid Sourian Reihanpour ( born 24 August 1985) is an Greco-Roman wrestler. He is a six-time World Champion. Sourian won both the Junior World Championships and Senior World Championships in 2005. He is also 2007 and 2008 Asian gold medalist. Sourian won the gold medal in the 55 kg Greco-Roman competition at the 2012 Summer Olympics.