Kaoru Yachigusa (八千草 薫, Yachigusa Kaoru, January 6, 1931 – October 24, 2019) was a Japanese actress from Osaka Prefecture.

After leaving the revue, she was active in film, television, and narration.

She famously quit part way through the filming of the television series Akai Giwaku, outraged at being forced to work at times dictated by idol Momoe Yamaguchi's schedule.

Her husband, director Senkichi Taniguchi, died on October 29, 2007, in Tokyo, Japan.

[1] Yachigusa died on October 24, 2019, at a Tokyo hospital from pancreatic cancer, aged 88.