Keiko Ishida (born 3 April 1973) is a Japanese former professional tennis player.^[1]

Ishida reached a best singles ranking of 349 on the professional tour and featured in the main draw of the WTA Tour tournament at Nagoya in 1995.^[2] As a doubles player she had a best ranking of 138 in the world and won 13 ITF events.

Outcome	No.	Date	Tournament	Surface	Opponent	Score
Runner-up	1.	13 October 1997	Haibara, Japan	Grass	Ryoko Takemura	6–3, 4–6, 4–6
Runner-up	2.	16 November 1998	Haibara, Japan	Clay	Maiko Inoue	4–6, 3–6
Runner-up	3.	13 November 2000	Haibara, Japan	Clay	Sachie Umehara	2–4, 0–4, 3–5

Outcome	No.	Date	Tournament	Surface	Partner	Opponents	Score
Runner-up	1.	10 August 1992	Taipei, Taiwan	Hard	Nao Akahori	Lin Ya-hui Weng Tzu-ting	4–6, 1–6
Winner	1.	11 October 1993	Kuroshio, Japan	Hard	Fumiko Yamazaki	Keiko Nagatomi Madoka Kuki	6–2, 6–0
Runner-up	2.	14 February 1994	Faro, Portugal	Hard	Yoriko Yamagishi	Antoaneta Pandjerova Teodora Nedeva	1–6, 3–6
Runner-up	3.	12 December 1994	Manila, Philippines	Hard	Park In-sook	Choi Ju-yeon Kim Eun-ha	3–6, 4–6
Runner-up	4.	19 December 1994	Manila, Philippines	Hard	Park In-sook	Chen Li-Ling Yi Jing-Qian	2–6, 5–7
Runner-up	5.	8 May 1995	Seoul, South Korea	Clay	Mami Donoshiro	Kim Eun-ha Choi Ju-yeon	3–6, 3–6
Winner	2.	18 March 1996	Bandar Seri Begawan, Brunei	Hard	Nao Akahori	Choi Young-ja Im Kum-ok	7–5, 6–1
Runner-up	6.	1 April 1996	Jakarta, Indonesia	Hard	Nao Akahori	Kiyoko Yazawa Mami Donoshiro	2–6, 7–6(4), 4–6
Winner	3.	27 May 1996	Taipei, Taiwan	Hard	Miyako Ataka	Julie Huang Benjamas Sangaram	7–6(2), 6–3
Runner-up	7.	30 September 1996	Ibaraki, Japan	Hard	Kiyoko Yazawa	Keiko Nagatomi Yuka Tanaka	6–3, 3–6, 5–7
Winner	4.	28 July 1997	Bandung, Indonesia	Hard	Benjamas Sangaram	Tomoe Hotta Yoriko Yamagishi	6–2, 3–6, 6–4
Runner-up	8.	13 October 1997	Haibara, Japan	Grass	Won Kyung-joo	Nao Akahori Ryoko Takemura	6–3, 4–6, 4–6
Winner	5.	3 November 1997	Beijing, China	Hard	Keiko Nagatomi	Chen Jingjing Yi Jing-Qian	7–6(4), 1–6, 6–3
Winner	6.	16 March 1998	Noda, Japan	Hard	Keiko Nagatomi	Kyōko Nagatsuka Saori Obata	3–6, 6–2, 6–3
Winner	7.	18 May 1998	Spartanburg, United States	Clay	Keiko Nagatomi	Renata Kolbovic Jessica Steck	6–3, 7–5
Winner	8.	25 May 1998	El Paso, United States	Hard	Keiko Nagatomi	Kaysie Smashey Sara Walker	6–2, 6–3
Winner	9.	1 June 1998	Little Rock, United States	Hard	Keiko Nagatomi	Li Li Li Ting	7–5, 6–1
Winner	10.	16 November 1998	Haibara Japan	Clay	Tomoko Ishida	Maiko Inoue Yasuko Nishimata	5–7, 7–6(7), 6–3
Winner	11.	23 November 1998	Nagasaki, Japan	Grass	Akiko Gunji	Seiko Okamoto Keiko Taguchi	6–2, 6–2
Winner	12.	27 September 1999	Kyoto, Japan	Carpet	Nami Urabe	Yuki Fujii Yumiko Kitamura	6–1, 6–3
Runner-up	9.	13 November 2000	Haibara, Japan	Clay	Akiko Gunji	Seiko Okamoto Keiko Taguchi	4–2, 0–4, 3–5, 5–3, 2–4
Winner	13.	18 November 2001	Haibara, Japan	Carpet	Tomoko Taira	Kumiko Iijima Satoko Kurioka	6–2, 6–4

• Keiko Ishida at the Women's Tennis Association
• Keiko Ishida at the International Tennis Federation