| Koichi Kawai | |
| Fullname: | Koichi Kawai |
| Birth Date: | 29 March 1979 |
| Birth Place: | Ehime, Japan |
| Position: | Defender |
| Youthyears1: | 1997–2000 |
| Youthclubs1: | Chukyo University |
| Years1: | 2001–2006 |
| Clubs1: | Ehime FC |
| Caps1: | 89 |
| Goals1: | 3 |
| Totalcaps: | 89 |
| Totalgoals: | 3 |
is a former Japanese football player. His brother is Kenta Kawai.
| Club performance | League | Cup | Total | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Season | Club | League | Apps | Goals | Apps | Goals | Apps | Goals | |
| Japan | League | Emperor's Cup | Total | ||||||
| 2001 | Ehime FC | Football League | 28 | 1 | 2 | 1 | 30 | 2 | |
| 2002 | 16 | 0 | 2 | 1 | 18 | 1 | |||
| 2003 | 30 | 2 | 2 | 0 | 32 | 2 | |||
| 2004 | 0 | 0 | 0 | 0 | 0 | 0 | |||
| 2005 | 12 | 0 | 1 | 0 | 13 | 0 | |||
| 2006 | J2 League | 3 | 0 | 0 | 0 | 3 | 0 | ||
| Total | Japan | 89 | 3 | 7 | 2 | 96 | 5 | ||
| Career total | 89 | 3 | 7 | 2 | 96 | 5 | |||