Sumiko Kitada (北田 スミ子, Kitada Sumiko) later Sumiko Shiba (芝 スミ子, Shiba Sumiko) (born 31 March 1962), is a retired Japanese badminton player. After working at Shijonawate Junior College, Kitada played for Sanyo Electric Ltd. and won a bronze medal in the women's singles exhibition event at the 1988 Seoul Olympics. She is the eight-time Japanese national champion and doubles runner-up four times. She also finished third in the 1986 World Badminton Grand Prix Finals. In 2005, she was appointed as a member of the Nippon Badminton Association Strengthening Committee, and after serving as the head of the strengthening headquarters, she was appointed as the head of the national strengthening department in June 2015.