| Ryuhei Niwa 丹羽 竜平 | |
| Fullname: | Ryuhei Niwa |
| Birth Date: | 13 January 1986 |
| Birth Place: | Yokohama, Kanagawa, Japan |
| Position: | Defender |
| Currentclub: | SC Sagamihara |
| Clubnumber: | 15 |
| Youthyears1: | 1995–2003 |
| Youthclubs1: | Yokohama F. Marinos |
| Years1: | 2004–2009 |
| Clubs1: | Vissel Kobe |
| Caps1: | 62 |
| Goals1: | 1 |
| Years2: | 2007–2008 |
| Clubs2: | → Cerezo Osaka (loan) |
| Caps2: | 39 |
| Goals2: | 0 |
| Years3: | 2010–2016 |
| Clubs3: | Sagan Tosu |
| Caps3: | 179 |
| Goals3: | 4 |
| Years4: | 2016 |
| Clubs4: | JEF United Chiba |
| Caps4: | 18 |
| Goals4: | 1 |
| Years5: | 2017 |
| Clubs5: | Kagoshima United FC |
| Caps5: | 27 |
| Goals5: | 0 |
| Years6: | 2018– |
| Clubs6: | SC Sagamihara |
| Caps6: | 31 |
| Goals6: | 0 |
| Club-Update: | end of 2018 season |
is a Japanese football player who plays for SC Sagamihara.
Updated to 26 December 2017.[1] [2]
| 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 | |||||||
| 2004 | Vissel Kobe | J1 League | 8 | 0 | 1 | 0 | 2 | 0 | 11 | 0 | |
| 2005 | 11 | 0 | 0 | 0 | 1 | 0 | 12 | 0 | |||
| 2006 | J2 League | 40 | 1 | 1 | 0 | colspan="2" | - | 41 | 1 | ||
| 2007 | Cerezo Osaka | 23 | 0 | 0 | 0 | colspan="2" | - | 23 | 0 | ||
| 2008 | 16 | 0 | 0 | 0 | colspan="2" | - | 16 | 0 | |||
| 2009 | Vissel Kobe | J1 League | 3 | 0 | 0 | 0 | 4 | 0 | 7 | 0 | |
| 2010 | Sagan Tosu | J2 League | 33 | 0 | 1 | 0 | colspan="2" | - | 34 | 0 | |
| 2011 | 28 | 2 | 0 | 0 | colspan="2" | - | 28 | 2 | |||
| 2012 | J1 League | 33 | 0 | 1 | 0 | 1 | 0 | 35 | 0 | ||
| 2013 | 33 | 1 | 3 | 1 | 1 | 0 | 37 | 2 | |||
| 2014 | 33 | 1 | 2 | 0 | 3 | 0 | 38 | 1 | |||
| 2015 | 19 | 0 | 4 | 0 | 2 | 0 | 25 | 0 | |||
| 2016 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 0 | |||
| JEF United Chiba | J2 League | 18 | 1 | 2 | 1 | colspan="2" | - | 20 | 2 | ||
| 2017 | Kagoshima United FC | J3 League | 27 | 0 | 2 | 0 | colspan="2" | - | 29 | 0 | |
| Career total | 325 | 6 | 17 | 2 | 16 | 0 | 358 | 8 | |||