Tamakasuga Ryōji (born January 7, 1972 as Ryōji Matsumoto) is a former sumo wrestler from Seiyo, Ehime Prefecture, Japan. A former amateur sumo champion, he made his professional debut in 1994 and reached a highest rank of sekiwake in 1997. He fought in the top makuuchi division for twelve years, won five special prizes and earned seven gold stars for defeating yokozuna. He retired in 2008 and is now a sumo coach. In February 2010 he took over the running of Kataonami stable.