Sakiko Matsui, Japanese singer and actress
Sakiko Matsui (松井咲子, Matsui Sakiko, born December 10, 1990 in Warabi, Saitama Prefecture) is a Japanese singer and pianist. She was a member of AKB48. Concurrently as a student specializing in piano at Tokyo College of Music, she has released a piano instrumental album Kokyū Suru Piano on October 3, 2012, which reached number 10 on Oricon's albums chart.