Makio Akiyama (秋山 万喜夫, Akiyama Makio, born 1950) is a Japanese astronomer affiliated with the Susono Observatory (886). He is a discoverer of minor planets, credited by the Minor Planet Center with the discovery of 16 numbered minor planets during 1989–1999. In 1992 he discovered the asteroid 6251 Setsuko in collaboration with astronomer Toshimasa Furuta, and named it after his wife Setsuko Akiyama (b. 1953) in May 1996 (M.P.C. 27129).