Kumiko Iijima

is a Japanese former tennis player.

She preferred playing on the ITF Women's Circuit where she won four singles and 20 doubles titles. In May 2011, Iijima reached her highest WTA singles ranking of 182. On 9 July 2007, she peaked at No. 151 in the WTA doubles rankings. She was coached by Kimiyo Hatanaka.

ITF Circuit finals Legend$50,000 tournaments$25,000 tournaments$10,000 tournaments

Singles: 10 (4–6) OutcomeNo.DateLocationSurfaceOpponent ScoreRunner-up 1. 21 November 1999 Haibara, Japan Carpet Choi Young-ja 3–6, 4–6Winner 2. 3 June 2007 Gunma, Japan Carpet Natsumi Hamamura 3–6, 6–3, 7–6(7–3)Winner 3. 23 September 2007 Tsukuba, Japan Hard Anne Yelsey 6–4, 6–0Runner-up 4. 14 October 2007 Beijing, China Hard Zhou Yimiao 1–6, 2–6Runner-up 5. 3 June 2008 Gunma, Japan Carpet Tomoko Yonemura 0–6, 3–6Runner-up 6. 14 September 2008 Noto, Japan Carpet Suchanun Viratprasert 4–6, 4–6Winner 7. 25 September 2010 Makinohara, Japan Carpet Shiho Akita 6–1, 6–2Winner 8. 3 October 2010 Hamanako, Japan Carpet Erika Sema 6–7(4–7), 6–2, 6–4Runner-up 9. 11 December 2010 Bangalore, India Hard Nicha Lertpitaksinchai 4–6, 3–6Runner-up 10. 1 April 2012 Nishitama, Japan Hard Akiko Yonemura 1–1 ret.

Doubles: 36 (20–16) OutcomeNo.DateTournamentSurfacePartnerOpponents ScoreRunner-up 1. 26 September 1999 ITF Tokyo, Japan Hard Maki Arai Li Na Li Ting 2–6, 1–6Winner 2. 21 November 1999 ITF Haibara, Japan Carpet Maki Arai Choi Young-ja Kim Eun-sook 6–2, 6–0Runner-up 3. 10 July 2000 ITF Brussels, Belgium Clay Kaori Aoyama Ekaterina Kozhokina Caroline Maes 1–6, 4–6Runner-up 4. 20 November 2000 ITF Kofu, Japan Carpet Maki Arai Seiko Okamoto Keiko Taguchi 5–3, 1–4, 4–5, 1–4Winner 5. 8 July 2001 ITF Kaohsiung, Taiwan Hard Maki Arai Khoo Chin-bee Weng Tzu-ting w/oRunner-up 6. 18 November 2001 ITF Haibara, Japan Carpet Satoko Kurioka Keiko Ishida Tomoko Taira 2–6, 4–6Runner-up 7. 21 April 2002 ITF Gunma, Japan Carpet Mari Inoue Chan Chin-wei Hsieh Su-wei 0–6, 1–6Winner 8. 25 May 2003 ITF Gunma, Japan Grass Suchanun Viratprasert Aiko Nakamura Maki Arai 4–6, 7–5, 6–4Runner-up 9. 2 May 2004 ITF Jakarta, Indonesia Hard Mari Inoue Septi Mende Wukirasih Sawondari 2–6, 3–6Winner 10. 31 October 2004 ITF Tokyo, Japan Hard Junri Namigata Maki Arai Akiko Yonemura 6–3, 6–1Winner 11. 13 February 2005 ITF Yamaguchi, Japan Clay Maki Arai Lisa d'Amelio Christina Horiatopoulos 6–3, 7–6Winner 12. 17 July 2005 ITF Hamilton, Canada Clay Junri Namigata Lauren Barnikow Lauren Breadmore 6–7(4–7), 6–2, 6–2Runner-up 13. 31 July 2005 Lexington Challenger, U.S. Hard Junri Namigata Vilmarie Castellvi Samantha Reeves 2–6, 1–6Winner 14. 6 November 2005 ITF Sutama, Japan Clay Maki Arai Tomoko Dokei Yukiko Yabe 6–1, 6–2Winner 15. 28 May 2006 ITF Nagano, Japan Carpet Junri Namigata Remi Tezuka Tomoko Yonemura 6–3, 7–6(7–3)Winner 16. 16 July 2006 ITF Miyazaki, Japan Carpet Maki Arai Seiko Okamoto Ayami Takase 6–2, 6–3Winner 17. 6 August 2006 ITF Tokachi, Japan Carpet Junri Namigata Shiho Hisamatsu Remi Tezuka 7–5, 6–4Winner 18. 23 September 2006 ITF Ibaraki, Japan Hard Junri Namigata Natsumi Hamamura Ayaka Maekawa 6–7(4–7), 6–3, 6–2Winner 19. 22 October 2006 ITF Makinohara, Japan Carpet Hsieh Su-wei Keiko Taguchi Kim Hea-mi 6–3, 4–6, 6–0Runner-up 20. 9 April 2007 ITF Ho Chi Minh City, Vietnam Hard Seiko Okamoto Han Xinyun Hao Jie 2–6, 6–1, 3–6Runner-up 21. 6 May 2007 Kangaroo Cup, Japan Carpet Seiko Okamoto Ayumi Morita Ai Sugiyama 1–6, 6–3, 0–6Winner 22. 3 June 2007 ITF Gunma, Japan Carpet Akiko Yonemura Chen Yi Yoo Mi 6–4, 6–4Runner-up 23. 8 June 2007 ITF Changsha, China Hard Chan Chin-wei Huang Lei Xu Yifan 3–6, 4–6Winner 24. 7 July 2007 ITF Obihiro, Japan Carpet Junri Namigata Ayumi Morita Akiko Yonemura 7–6(7–3), 6–0Runner-up 25. 13 September 2007 ITF Tokyo, Japan Hard Akiko Yonemura Junri Namigata Rika Fujiwara 6–3, 6–7(4–7), [5–10]Winner 26. 30 May 2010 ITF Kusatsu, Japan Carpet Tomoko Yonemura Maya Kato Ayaka Maekawa 6–7(5–7), 6–4, [10–8]Runner–up 27. 29 August 2010 ITF Saitama, Japan Hard Akiko Yonemura Akari Inoue Kotomi Takahata 3–6, 3–6Winner 28. 5 September 2010 ITF Tsukuba, Japan Hard Akiko Yonemura Chan Chin-wei Chen Yi 4–6, 7–6(8–6), [10–7]Winner 29. 19 September 2010 ITF Darwin, Australia Hard Yurika Sema Alenka Hubacek Tammi Patterson 6–4, 6–1Winner 30. 28 September 2010 ITF Hamanako, Japan Clay Erika Sema Kao Shao-yuan Ayaka Maekawa 6–2, 6–1Runner-up 31. ITF Bangalore, India Hard Chen Yi Luksika Kumkhum Nungnadda Wannasuk 6–7, 7–5, 4–6Runner-up 32. 25 February 2011 ITF Mildura, Australia Grass Rika Fujiwara Casey Dellacqua Olivia Rogowska 6–4, 6–7(6–8), [4–10]Runner-up 33. 4 March 2011 ITF Sydney, Australia Hard Rika Fujiwara Casey Dellacqua Olivia Rogowska 6–3, 6–7(3–7) [4–10]Winner 34. 21 May 2012 ITF Karuizawa, Japan Grass Hsieh Shu-ying Samantha Murray Emily Webley-Smith 3–6, 7–6, 10–1Winner 35. 9 September 2012 ITF Noto, Japan Grass Akiko Yonemura Miki Miyamura Mari Tanaka 6–1, 4–6 [10–5]Runner–up 36. 23 June 2013 ITF Tokyo, Japan Hard Akiko Yonemura Makoto Ninomiya Yuka Mori 4–6, 3–6