| Néstor Otero | |
| Fullname: | Néstor William Otero Carvajal |
| Birth Date: | 18 September 1955 |
| Birth Place: | Cali, Colombia |
| Manageryears1: | 1999–2001 |
| Managerclubs1: | Deportes Tolima |
| Manageryears2: | 2001–2002 |
| Managerclubs2: | Deportivo Cali |
| Manageryears3: | 2002–2004 |
| Managerclubs3: | Deportivo Pasto |
| Manageryears4: | 2004–2005 |
| Managerclubs4: | Deportivo Pereira |
| Manageryears5: | 2005–2006 |
| Managerclubs5: | Deportivo Pasto |
| Manageryears6: | 2006 |
| Managerclubs6: | Real Cartagena |
| Manageryears7: | 2006–2007 |
| Managerclubs7: | Atlético Huila |
| Manageryears8: | 2007–2008 |
| Managerclubs8: | Deportivo Cali |
| Manageryears9: | 2008–2009 |
| Managerclubs9: | Deportes Quindío |
| Manageryears10: | 2009–2010 |
| Managerclubs10: | Cúcuta Deportivo |
| Manageryears11: | 2010–2011 |
| Managerclubs11: | Independiente Santa Fe |
| Manageryears12: | 2011–2012 |
| Managerclubs12: | Atlético Huila |
| Manageryears13: | 2012–2014 |
| Managerclubs13: | La Equidad |
| Manageryears14: | 2015–2016 |
| Managerclubs14: | Águilas Doradas |
| Manageryears15: | 2016–2017 |
| Managerclubs15: | Águilas Doradas |
| Manageryears16: | 2017 |
| Managerclubs16: | Cortuluá |
| Manageryears17: | 2020 |
| Managerclubs17: | Deportivo Llacuabamba |
Néstor William Otero Carvajal (born 18 September 1955) is a Colombian football manager.
Born in Cali, Otero studied mathematics at Universidad Santiago de Cali, earning him the nickname Matemático.[1] Otero began his football coaching career with Deportes Tolima in 1999. In eighteen years managing Colombian professional football clubs, Otero has worked for a total of twelve teams (including two spells each at Deportivo Cali and Deportivo Pasto).[2]
Otero has led two clubs to runner's-up finishes in the Categoría Primera A (Pasto in 2002 and Atlético Huila in 2007).