Noriko Sengoku (千石規子, Sengoku Noriko; born Reiko Mori) was a Japanese film and television actress active primarily in the 1950s and 1960s. She made her film debut in 1947 and starred in several of Akira Kurosawa's early films such as Drunken Angel (1948), The Quiet Duel (1949), Stray Dog (1949), Scandal (1950), The Idiot (1951) and Seven Samurai (1954).