| Izumi Kobayashi | |
| Fullname: | Izumi Kobayashi |
| Kanji: | 小林泉美 |
| Birth Date: | 20 June 1977 |
| Birth Place: | Tokyo, Japan |
| Residence: | Tokyo, Japan |
| Teacher: | Koichi Kobayashi |
| Turnedpro: | 1995 |
| Rank: | 7 dan |
| Affiliation: | Nihon Ki-in |
is a professional Go player.[1]
Izumi Kobayashi grew up in a family of accomplished Go players. She has joked that she first played Go in her mother's womb. Her father is Koichi Kobayashi, the man who ranks third in number of titles held in Japan. Her maternal grandfather was Kitani Minoru, one of the leading players and probably the greatest Go teacher. Her mother was Reiko Kobayashi née Kitani (1939–1996), 6 dan, who won the All-Japan Women's Championship several times.http://senseis.xmp.net/?KitaniReiko She became a professional go player in 1995, and was promoted to her current rank, 6 dan, in 2004. She is married to Cho U, one of the top players in Japan.
| Title | Years Held | |
|---|---|---|
| Current | 9 | |
 Women's Honinbo | 2001–2003 | |
| Women's Meijin | 2001, 2003, 2004 | |
| Women's Kisei | 1998, 1999 | |
| Women's Saikyo | 2005 | |
| Defunct | 1 | |
| Women's JAL Super Hayago | 2004 |
| Title | Years Lost | |
|---|---|---|
| Current | 6 | |
| Women's Honinbo | 1999, 2004 | |
| Women's Meijin | 2000, 2002, 2005 | |
| Women's Kisei | 2000 | |
| Defunct | 3 | |
| Women's Kakusei | 1996, 1999, 2001 |