Naoko Otani (大谷直子, Ōtani Naoko, born April 3, 1950 in Sumida, Tokyo) is a Japanese actress.^[1] She made her screen debut in The Human Bullet while still a high school student, and became popular for her role in the NHK Asadora television programme Nobuko to Obāchan (信子とおばあちゃん, Nobuko and Grandmother) in 1969.

She published a collection of nude photos while pregnant.^[2] She has been married twice.^{[citation needed]}