Akiko Koyama (小山 明子, Koyama Akiko, born 27 January 1935) is a Japanese stage and film actress who appeared in over 80 films,[1] many directed by her husband Nagisa Ōshima.
[2][3][4] Koyama was born Akiko Usui in Ichikawa, Chiba Prefecture as the youngest of six children.
[2] After appearing on the cover of Katei Yomiuri magazine, she received an offer by the Shochiku film studios, where she gave her screen debut in 1955.
[2] Koyama temporarily retired from acting after Ōshima's collapse from a cerebral hemorrhage in 1996 to nurse her husband.
[3] In recent years, she has been active as a lecturer and essayist on the subject of nursing care.