Results for Japan in 100 metres Backstroke, Women

Olympic and Intercalated results only.

Games	Athlete/Team	Placement
1932 Summer Olympics	Misao Yokota	9
1960 Summer Olympics	Satoko Tanaka	3	Bronze
1964 Summer Olympics	Satoko Tanaka	4
	Michiko Kihara	=9
1968 Summer Olympics	Yukiko Goushi	9
1972 Summer Olympics	Kazu Fujimura	24
	Kikuyo Ishii	28
1976 Summer Olympics	Yoshimi Nishigawa	15
	Naoko Miura	27
1984 Summer Olympics	Naomi Sekido	18
	Nozomi Sunouchi	23
1988 Summer Olympics	Satoko Morishita	24
	Tomoko Onogi	26
1992 Summer Olympics	Yoko Koikawa	8
	Noriko Inada	12
1996 Summer Olympics	Mai Nakamura	4
	Miki Nakao	8
2000 Summer Olympics	Mai Nakamura	2	Silver
	Noriko Inada	5
2004 Summer Olympics	Reiko Nakamura	4
	Noriko Inada	11
2008 Summer Olympics	Reiko Nakamura	6
	Hanae Ito	8
2012 Summer Olympics	Aya Terakawa	3	Bronze
2016 Summer Olympics	Natsumi Sakai	26
2020 Summer Olympics	Anna Konishi	13