Yumika Hayashi (林由美香 Hayashi Yumika, Tokyo, June 27, 1970 - June 26, 2005) was a Japanese actress and AV idol. A popular and prolific actress, at the time of her death, just before her 35th birthday, she had appeared in approximately 200 films and videos. Among the more notable roles in her career was that of the self-cannibalizing "Gluttonous woman" in director Hisayasu Satō's Naked Blood (1996). Annyong Yumika, a semi-documentary on Hayashi with relationship to her popularity in Korea, was featured at the 2010 New York Asian Film Festival.