| Keiji Koizumi 小泉 圭二 | |
| Fullname: | Keiji Koizumi |
| Birth Date: | 28 July 1976 |
| Birth Place: | Yamanashi, Japan |
| Position: | Midfielder |
| Youthyears1: | 1992–1994 |
| Youthclubs1: | Nirasaki High School |
| Youthyears2: | 1995–1998 |
| Youthclubs2: | Chuo University |
| Years1: | 1999 |
| Clubs1: | Ventforet Kofu |
| Caps1: | 1 |
| Goals1: | 0 |
| Totalcaps: | 1 |
| Totalgoals: | 0 |
is a former Japanese football player.
Koizumi was born in Yamanashi Prefecture on July 28, 1976. After graduating from Chuo University, he joined the newly promoted J2 League club, Ventforet Kofu based in his local area in 1999. On October 11, he debuted as a substitute in the 70th minute against Albirex Niigata.[1] However he only played in that one match and retired at the end of the 1999 season.
| Club performance | League | Cup | League Cup | Total | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Season | Club | League | Apps | Goals | Apps | Goals | Apps | Goals | Apps | Goals | |
| Japan | League | Emperor's Cup | J.League Cup | Total | |||||||
| 1999 | Ventforet Kofu | J2 League | 1 | 0 | 0 | 0 | 1 | 0 | |||
| Total | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |||