Mitsuki Kimijima (君島光輝; born August 10, 1994) is a Japanese actress and former idol from Tokyo, Japan. She was a member of the Japanese idol group palet until June 2015 before pursuing a career in acting. She is known for portraying Rika Akimura in the horror films Death Forest 3 (2015) and Death Forest 4 (2016). Her other film credits include Sorezore no Hana (2022), Watashi ga Ore no Jinsei!? (2024), and 49 Days of Truth (2025). She has also appeared in numerous Japanese television dramas, including Good Morning Call (2016), Riding a Unicorn (2022), Trillion Game (2023), and Hospital Police Force (2024). In addition to her screen work, she has performed in several stage productions.