Yōko Tsukasa (司葉子 Tsukasa Yōko, Tottori Prefecture, August 20, 1934 -) is a Japanese actress. Her long and diverse career includes dramatic and comedic roles. She has worked with Japan's top directors of her time, including Yasujirō Ozu, Akira Kurosawa Kon Ichikawa, Mikio Naruse and Masaki Kobayashi. In 1967 she won the Best Actress award at the Blue Ribbon Awards, the Kinema Junpo Awards, and the Mainichi Film Concours.