Asahifuji Seiya (旭富士 正也, born Seiya Suginomori (杉野森 正也) on July 6, 1960) is a Japanese former professional sumo wrestler from Aomori. He joined professional sumo in 1981, reaching the top makuuchi division just two years later. He reached the second highest rank of ōzeki in 1987 and became the 63rd yokozuna in the history of the sport in 1990 at the age of 30. He won four tournaments and was a runner-up on nine other occasions. He retired in 1992 and is now the head coach of Isegahama stable. As a coach he has produced two yokozuna himself, Harumafuji and Terunofuji.