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.