| Keiji Watanabe 渡邊 圭二 | |
| Fullname: | Keiji Watanabe |
| Birth Date: | 28 January 1985 |
| Birth Place: | Numazu, Shizuoka, Japan |
| Position: | Defender |
| Youthyears1: | 2000–2002 |
| Youthclubs1: | Numazu Gakuen High School |
| Years1: | 2003–2008 |
| Clubs1: | Nagoya Grampus |
| Caps1: | 44 |
| Goals1: | 0 |
| Years2: | 2009 |
| Clubs2: | Japan Soccer College |
| Caps2: | 11 |
| Goals2: | 0 |
| Years3: | 2010–2013 |
| Clubs3: | JEF United Chiba |
| Caps3: | 32 |
| Goals3: | 0 |
| Totalcaps: | 87 |
| Totalgoals: | 0 |
is a former Japanese football player.
| 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 | |||||||
| 2003 | Nagoya Grampus Eight | J1 League | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| 2004 | 5 | 0 | 1 | 0 | 1 | 0 | 7 | 0 | |||
| 2005 | 13 | 0 | 0 | 0 | 2 | 0 | 15 | 0 | |||
| 2006 | 12 | 0 | 1 | 0 | 1 | 0 | 14 | 0 | |||
| 2007 | 13 | 0 | 1 | 0 | 1 | 0 | 15 | 0 | |||
| 2008 | Nagoya Grampus | J1 League | 0 | 0 | 1 | 0 | 1 | 0 | 2 | 0 | |
| 2009 | Japan Soccer College | Regional Leagues | 11 | 0 | 2 | 0 | colspan="2" | - | 13 | 0 | |
| 2010 | JEF United Chiba | J2 League | 8 | 0 | 0 | 0 | colspan="2" | - | 8 | 0 | |
| 2011 | 15 | 0 | 3 | 0 | colspan="2" | - | 18 | 0 | |||
| 2012 | 9 | 0 | 0 | 0 | colspan="2" | - | 9 | 0 | |||
| 2013 | 0 | 0 | 0 | 0 | colspan="2" | - | 0 | 0 | |||
| Total | 87 | 0 | 10 | 0 | 6 | 0 | 103 | 0 | |||