Keiko Asao (浅尾 恵子, Asao Keiko, born December 1965) is a Japanese former long track speed skater, who was active in the 1980s. She represented Japan at the 1986 Asian Winter Games and won the gold medal in the 3000 metre event. She competed at the World Allround Speed Skating Championships for Women in 1986. She did not get an overall classification because she was disqualified at the 3000 metre event.