Akinoshima Katsumi (born 16 March 1967 as Katsumi Yamanaka) is a former sumo wrestler from Akitsu, Hiroshima Prefecture, Japan. He made his professional debut in 1982, and after reaching the top division in 1988 he remained there for 15 years. His highest rank was sekiwake. He was known as the "giant killer" having defeated more yokozuna than any other untitled wrestler (maegashira) in the history of sumo, earning himself 16 gold stars or kinboshi over his career, four more than his nearest kinboshi earning rivals, Takamiyama and Tochinonada. He also has received 19 performance prizes (sanshō), another record in sumo history.