Kotonishiki Katsuhiro (born June 8, 1968 as Hideyuki Matsuzawa) is a former sumo wrestler from Takasaki, Gunma Prefecture, Japan. He began his career in 1984, reaching the top makuuchi division in 1989. He won two top division tournament titles from the maegashira ranks (the only wrestler ever to do so), the first in 1991 and the second in 1998. His highest rank was sekiwake, which he held 21 times. He earned eighteen special prizes during his career, second on the all-time list, and defeated yokozuna eight times when ranked as a maegashira. He retired in 2000 and after a long stint as a sumo coach at Oguruma stable, took the vacant elder name Asahiyama and branched out to form his own stable of the same name.