(born 18 March 1976) is a Japanese former tennis player, winner of professional tournaments in doubles and singles, and a representative of Japan in the Federation Cup.
Saeki's career began officially in April 1994. As a junior finale, she boasts a doubles tournament in the youth edition of the Japan Open. In senior tennis, she began mainly outside the main cycle of the WTA Tour, winning a total of 16 singles and eight doubles titles belonging to the ITF Women's Circuit. She gained four wins in doubles on WTA Tour, with her partners - Yuka Yoshida and Naoko Kijimuta. Her career-high ranking was at No. 56 in singles (June 1998) and No. 49 in doubles (July 1997).
In 1998-1999 she appeared in the Japanese team for the Federation Cup (only singles). Defeated, among others well-known Dutch woman Miriam Oremans, and the total balance of the performances is a tie - three wins and three defeats.