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...

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...

College Park, United States 25,000 Hard Kaysie Smashey Shiho Hisamatsu Seiko Okamoto 6–7(5), 2–6 Loss 0–6 September 2004 ITF Tunica, United States 25,000...

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...

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)...