Keiko Taguchi (born 26 February 1979) is a Japanese former professional tennis player.

Taguchi, who won 12 ITF doubles titles, made her only WTA Tour main draw appearance at the 2006 Japan Open, where she partnered with Ayami Takase in the doubles.

ITF finals

$25,000 tournaments
$10,000 tournaments

Singles: 1 (0–1)

OutcomeNo.DateTournamentSurfaceOpponentScore
Runner-up1.20 November 2000Kōfu, JapanCarpetJapan Seiko Okamoto1–4, 3–1, 1–4, 3–5

Doubles: 19 (12–7)

OutcomeNo.DateTournamentSurfacePartnerOpponentsScore
Runner-up1.23 November 1998Nagasaki, JapanGrassJapan Seiko OkamotoJapan Akiko Gunji Japan Keiko Ishida2–6, 2–6
Winner1.6 June 1999Little Rock, United StatesHardJapan Seiko OkamotoSouth Korea Chang Kyung-mi South Korea Chae Kyung-yee7–5, 6–2
Winner2.28 November 1999Kōfu, JapanCarpetJapan Seiko OkamotoJapan Remi Tezuka Japan Maki Arai7–6, 0–6, 7–5
Winner3.13 November 2000Haibara, JapanClayJapan Seiko OkamotoJapan Akiko Gunji Japan Keiko Ishida2–4, 4–0, 5–3, 3–5, 4–2
Winner4.20 November 2000Kōfu, JapanCarpetJapan Seiko OkamotoJapan Kumiko Iijima Japan Maki Arai3–5, 4–1, 5–4, 4–1
Runner-up2.1 September 2002Ibaraki, JapanHardJapan Yumiko KitamuraJapan Kaori Aoyama Japan Maki Arai6–4, 1–6, 2–6
Runner-up3.10 September 2002Hiroshima, JapanClayJapan Maiko InoueSweden Helena Ejeson Denmark Andrea Munch-Hermansen6–3, 3–6, 2–6
Runner-up4.21 October 2002Tokyo, JapanHardJapan Nami UrabeJapan Haruka Inoue Japan Maiko Inoue1–6, 2–6
Winner5.1 September 2003Ibaraki, JapanHardJapan Shizu KatsumiSouth Korea Chang Kyung-mi Japan Ryoko Takemura1–6, 7–6(3), 6–2
Winner6.12 April 2004Yamaguchi, JapanClayJapan Chie NaganoJapan Hiroko Komori Japan Tomoko Sugano6–4, 6–1
Winner7.20 April 2004Hamanako, JapanCarpetSouth Korea Kim Hea-miChinese Taipei Chen Yi Chinese Taipei Chan Chin-wei6–1, 6–1
Winner8.5 September 2004Saitama, JapanHardSouth Korea Kim Hea-miJapan Tomoko Taira Japan Akiko Yonemura6–4, 6–0
Winner9.21 September 2004Hiroshima, JapanGrassSouth Korea Kim Hea-miJapan Tomoko Dokei Japan Yukiko Yabe6–4, 6–2
Winner10.28 February 2005Warrnambool, AustraliaGrassSouth Korea Kim Hea-miAustralia Lucia Gonzalez Australia Christina Horiatopoulos7–6(7), 7–5
Runner-up5.29 May 2005Nagano, JapanCarpetSouth Korea Kim Hea-miJapan Ryoko Takemura Japan Tomoko Yonemura1–6, 6–7(5)
Winner11.7 September 2005Kyoto, JapanCarpetSouth Korea Kim Hea-miJapan Eriko Mizuno Japan Tomoyo Takagishi4–6, 6–0, 6–1
Winner12.6 June 2006Tokyo, JapanHardJapan Shizu KatsumiJapan Reina Ishihara Japan Atsumi Koga6–4, 6–2
Runner-up6.22 October 2006Makinohara, JapanCarpetSouth Korea Kim Hea-miChinese Taipei Hsieh Su-wei Japan Kumiko Iijima3–6, 6–4, 0–6
Runner-up7.7 November 2006Jakarta, IndonesiaHardSouth Korea Kim Hea-miIndonesia Romana Tedjakusuma Indonesia Angelique Widjajaw/o

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