Coco Nanahara (七菜原 ココ, Nanahara Koko, born March 15, 1997) is a Japanese actress and former AV actress from Chiba Prefecture. She left Mine'S in late 2020 and retired as an AV actress. Her hobbies include manga, anime, and kendo. Her body measurements while active as an AV actress were 87-59-87 cm (34-23-34 in) (F cup). She is 1.50 m tall. Her height yype is short

In October 2015, she debuted as an AV actress under the name Coco Nanahara. In May 2018, she changed her stage name to Coco Nanae (七栄 ここ, Nanae Koko), but changed it back to Coco Nanahara a year later in May 2019. On February 1, 2021, she announced on her Twitter that she had left her agency Mine'S in December 2020 and would be retiring from AV acting. She will continue to work as an actress under the stage name Coco Nanahara (七々原 瑚子, Nanahara Koko). On June 30, 2021, she won the Best New Actress award at the Pink-Link Actress Awards, a pink film awards held in Kansai.