| Diego Guidi | |
| Fullname: | Diego Martín Guidi Pierani |
| Birth Date: | 1981 2, df=y |
| Birth Place: | , Buenos Aires, Argentina |
| Height: | 1.78 m |
| Position: | Centre-back |
| Years1: | 1999–2002 |
| Clubs1: | Gimnasia LP |
| Caps1: | 12 |
| Goals1: | 0 |
| Years2: | 2003 |
| Clubs2: | Universidad de Concepción |
| Caps2: | 43 |
| Goals2: | 2 |
| Years3: | 2004–2005 |
| Clubs3: | Cobreloa |
| Caps3: | 68 |
| Goals3: | 3 |
| Years4: | 2006 |
| Clubs4: | O'Higgins |
| Caps4: | 32 |
| Goals4: | 1 |
| Years5: | 2007 |
| Clubs5: | Everton |
| Caps5: | 29 |
| Goals5: | 0 |
| Years6: | 2008 |
| Clubs6: | Cobresal |
| Caps6: | 36 |
| Goals6: | 2 |
| Years7: | 2009–2013 |
| Clubs7: | Deportes La Serena |
| Caps7: | 112 |
| Goals7: | 7 |
| Years8: | 2013–2014 |
| Clubs8: | Gimnasia y Tiro |
| Caps8: | 15 |
| Goals8: | 0 |
| Years9: | 2014–2015 |
| Clubs9: | Defensores de Belgrano VR |
| Caps9: | 18 |
| Goals9: | 0 |
| Years10: | 2015–2017 |
| Clubs10: | Iberia |
| Caps10: | 28 |
| Goals10: | 1 |
| Totalcaps: | 393 |
| Totalgoals: | 16 |
| Managerclubs1: | Iberia (youth) |
Diego Martín Guidi Pierani (born 17 February 1981) is an Argentine naturalized Chilean retired footballer.
Guidi started his career with Gimnasia La Plata in his homeland. In 2003, he moved to Chile and developed almost all his career in that country playing for clubs such as Universidad de Concepción, Cobreloa, O'Higgins,[1] Deportes La Serena,[2] among others.[3]
He ended his career with Iberia in 2017.[3] [4]
Guidi graduated as a football coach in Argentina and worked for the Iberia youth system. He also served as sport manager.[3]
He made his home in Los Ángeles, Chile, and started a football academy called "Ruiz Guidi" along with his friend, Diego Ruiz.[3]