Seiko Okamoto (岡本 聖子, Okamoto Seiko) (born 14 March 1978) is a Japanese former professional tennis player. Okamoto took part in the 2006 Bangalore Open...

Japanese shot putter Seiko Okamoto (岡本 聖子, born 1978), Japanese tennis player Okuhara Seiko (奥原 晴湖, 1837–1913), Japanese female painter Seiko Oomori (大森 靖子,...

doubles event in 2005, partnering with Wynne Prakusya and defeating Seiko Okamoto and Ayami Takase in the final. Her only singles title came in 2004 at...

medal for Japan in the women's doubles with Seiko Okamoto. At the 2004 Australian Open, Takemura and Seiko Okamoto were given a wildcard into the doubles main...

Chia-jung Ryōko Fuda Seiko Okamoto 6–3, 6–2 Loss 5–9 May 2005 ITF Changwon, South Korea 25,000 Hard Chan Chin-wei Chuang Chia-jung Seiko Okamoto 2–6, 5–7 Win...

6–1, 6–7(8–10), [10–7] 2007 Ayumi Morita Ai Sugiyama Kumiko Iijima Seiko Okamoto 6–1, 3–6, 6–0 2006 Chan Chin-wei Hsieh Su-wei Chan Yung-jan Chuang Chia-jung...

Seiko Okamoto and Maki Arai were the defending champions, but both players chose not to participate. Chan Chin-wei and Hsu Wen-hsin won the title, defeating...

Barbara Schett Patricia Wartusch 7–5, 7–6(7–1) 2004 Shinobu Asagoe Seiko Okamoto Els Callens Barbara Schett 2–6, 6–4, 6–3 2005 Yan Zi Zheng Jie Anabel...

and the quarterfinals in Hamanako (both $25k), losing both times to Seiko Okamoto. Her final singles ranking of 2007 was world No. 187. Baltacha began...

Hobart International, Australia Hard Barbara Schett Shinobu Asagoe Seiko Okamoto 6–2, 4–6, 3–6 Win 9. 22 February 2004 Diamond Games Antwerp, Belgium...

Su-wei Ryōko Fuda Seiko Okamoto 6–3, 6–2 Loss 10. 14 May 2005 Fukuoka International, Japan Carpet Latisha Chan Ryōko Fuda Seiko Okamoto 2–6, 6–7 Win 14...

Hobart International, Australia Tier V Hard Els Callens Shinobu Asagoe Seiko Okamoto 6–2, 4–6, 3–6 Win 8–9 Feb 2004 Open GDF Suez, France (2) Tier II Carpet...

Nagasaki, Japan Grass Seiko Okamoto Akiko Gunji Keiko Ishida 2–6, 2–6 Winner 1. 6 June 1999 Little Rock, United States Hard Seiko Okamoto Chang Kyung-mi Chae...

Shigefumi Matsuzawa defeated Independent candidates Hajime Okamoto, Ichiro Asukata, Yoko Tajima, Seiko Miyako, Setsuko Yamamoto and Kenjiro Endo. On election...

Takase 6–2, 5–7, 6–3 Runner-up 22. 2 November 2003 Beijing, China Hard Seiko Okamoto Yang Shujing Yu Ying 4–6, 2–6 Winner 23. 2 May 2004 Gifu, Japan Carpet...

Shinobu Asagoe and Seiko Okamoto were the defending champions, but did not participate. Yan Zi and Zheng Jie won the title. Yan Zi / Zheng Jie (champions)...

decided to focus only on the singles competition. Shinobu Asagoe and Seiko Okamoto won the title by defeating Els Callens and Barbara Schett 2–6, 6–4,...

2007 ITF Ho Chi Minh City, Vietnam 25,000 Hard Hao Jie Kumiko Iijima Seiko Okamoto 6–2, 1–6, 6–3 Loss 1–1 Nov 2007 ITF Kunming, China 50,000 Hard Xu Yifan...

SR = Special ranking Clarisa Fernández / Katalin Marosi (qualified) Seiko Okamoto / Ayami Takase (qualifying competition) Clarisa Fernández / Katalin...

Runner-up 1. 9 September 2001 Kugayama, Japan Hard Samantha Stosur Seiko Okamoto Nami Urabe 4–6, 6–2, 1–6 Winner 1. 16 September 2001 Ibaraki, Japan...

Win 13. 10 May 2004 ITF Karuizawa, Japan Carpet Jeon Mi-ra Ryōko Fuda Seiko Okamoto 6–2, 2–6, 7–6(1) Loss 14. 7 September 2004 ITF Ibaraki, Japan Hard Shiho...

as top seed. won the $50k tournament in Fukuoka on carpet, defeating Seiko Okamoto, Nana Miyagi, Jarmila Gajdošová, Zi Yan and then Maria Elena Camerin...

 Magdalena Feistel and Katarzyna Teodorowicz (POL)  Shinobu Asagoe and Seiko Okamoto (JPN)  Patrícia Marková and Martina Ondrejková (SVK) 1999 Palma de Mallorca...

and Wang Shi-ting (TPE)  Katarzyna Teodorowicz and Anna Żarska (POL)  Seiko Okamoto and Ryoko Takemura (JPN)  Patrícia Marková and Andrea Šebová (SVK) Mixed...

Okamoto Setsuko Hara as Michiyo Okamoto Yukiko Shimazaki as Satoko Okamoto Yōko Sugi as Mitsuko Murata, Michiyo's sister-in-law Akiko Kazami as Seiko...

Hsu Wen-hsin 7–5, 6–3 Win 4. 27 February 2005 ITF Taipei, Taiwan Hard Seiko Okamoto 6–3, 6–2 Win 5. 15 May 2005 Fukuoka International, Japan Carpet Ayumi...

Jugić-Salkić İpek Şenoğlu 7–6(4), 5–7, 7–6(7) Runner-up 15. 19 February 2007 Clearwater, US Hard Mervana Jugić-Salkić Ryōko Fuda Seiko Okamoto 7–5, 3–6, 4–6...

May 2005 ITF Changwon, South Korea Hard Hsieh Su-wei Chuang Chia-jung Seiko Okamoto 2–6, 5–7 Win 12. 31 May 2005 ITF Gunma, Japan Hard Hsieh Su-wei Ayami...

Yuka Yoshida Andrea Leand Eleni Rossides 6–4, 7–5 Win 5. 6 May 2007 Kangaroo Cup, Japan Carpet Ayumi Morita Kumiko Iijima Seiko Okamoto 6–1, 3–6, 6–0...

singles title of the year and the 7th of her career. Shinobu Asagoe / Seiko Okamoto defeated Els Callens / Barbara Schett 2–6, 6–4, 6–3 Roger Gatchalian...