| Gastón Liendo | |
| Fullname: | Gastón Ricardo Liendo |
| Birth Date: | 29 May 1974 |
| Birth Place: | Rosario, Argentina |
| Height: | 1.77m |
| Position: | Midfielder |
| Currentclub: | Fortaleza (assistant) |
| Youthclubs1: | Newell's Old Boys |
| Years1: | 1995–1999 |
| Clubs1: | Newell's Old Boys |
| Caps1: | 79 |
| Goals1: | 8 |
| Years2: | 1999–2000 |
| Caps2: | 19 |
| Goals2: | 2 |
| Years3: | 2000–2001 |
| Clubs3: | Belgrano |
| Caps3: | 17 |
| Goals3: | 7 |
| Years4: | 2001–2002 |
| Clubs4: | Argentinos Juniors |
| Caps4: | 23 |
| Goals4: | 4 |
| Years5: | 2002–2003 |
| Caps5: | 20 |
| Goals5: | 0 |
| Years6: | 2003–2004 |
| Caps6: | 18 |
| Goals6: | 1 |
| Years7: | 2004–2005 |
| Clubs7: | Mantova |
| Caps7: | 6 |
| Goals7: | 0 |
| Years8: | 2006–2007 |
| Clubs8: | Belgrano |
| Caps8: | 8 |
| Goals8: | 0 |
| Years9: | 2007 |
| Clubs9: | Aldosivi |
| Caps9: | 7 |
| Goals9: | 1 |
| Years10: | 2007–2009 |
| Clubs10: | Central Córdoba |
| Caps10: | 36 |
| Goals10: | 0 |
| Manageryears1: | 2017–2018 |
| Managerclubs1: | Defensa y Justicia (assistant) |
| Manageryears2: | 2018–2019 |
| Managerclubs2: | Talleres (assistant) |
| Manageryears3: | 2019 |
| Managerclubs3: | Huracán (assistant) |
| Manageryears4: | 2020–2021 |
| Managerclubs4: | Unión La Calera (assistant) |
| Manageryears5: | 2021– |
| Managerclubs5: | Fortaleza (assistant) |
Gastón Ricardo Liendo (born 29 May 1974) is an Argentine football coach and former player who played as a midfielder. He is the current assistant manager of Brazilian club Fortaleza.
He started playing football at Newell's Old Boys. He made his Serie B debut with FBC Unione Venezia in the 2003–04 season.[1]