Sumiko Fuji (富司 純子, Fuji Sumiko, born 1 December 1945) is a Japanese actress. The daughter of a producer at the Tōei studios, she originally began acting under the name Junko Fuji (藤 純子), becoming famous as the female lead in yakuza films against such stars as Ken Takakura and Kōji Tsuruta. She even starred in her own series as the knife-wielding gambler Red Peony (the "Hibotan Bakuto" or "Red Peony Gambler" series).