| Birth Date: | 1981 12, df=yes |
| Birth Place: | Blenheim, New Zealand |
| Height: | 181 cm |
| Weight: | 900NaN0 |
| Position: | Fly-half, Fullback |
| Amatteam1: | Glenmark |
| Years1: | 2001–2003 |
| Clubs1: | Canterbury |
| Years2: | 2003 |
| Clubs2: | Crusaders |
| Years3: | 2004 |
| Clubs3: | Otago |
| Years4: | 2005–2007 |
| Clubs4: | Kobelco Steelers |
| Years5: | 2007–2009 |
| Clubs5: | World Fighting Bull |
| Years6: | 2009–2013 |
| Clubs6: | Coca-Cola West Red Sparks |
| Years7: | 2013–2016 |
| Clubs7: | NEC Green Rockets |
| Apps7: | 21 |
| Points7: | 174 |
| Repyears1: | 2000 |
| Repteam1: | New Zealand U19 |
| Repyears2: | 2001–2002 |
| Repteam2: | New Zealand U21 |
| Repyears3: | 2008–2011 |
| Repcaps3: | 35 |
| Reppoints3: | 198 |
| School: | Christchurch Boys' High School |
| University: | Lincoln University |
| Coachteams1: | Mitsubishi Dynaboars |
Shaun James Webb (born 30 December 1981) is a New Zealand-born[1] Japanese rugby union footballer who plays as a fullback. Webb was part of the Japan squad at the 2011 Rugby World Cup. He obtained Japanese citizenship in July 2011, a month before the 2011 Rugby World Cup.