| Félix Darío León | |
| Fullname: | Félix Darío León Núñez |
| Birth Date: | 1961 5, df=y |
| Birth Place: | Luque, Paraguay |
| Height: | 1.80 m[1] |
| Position: | Forward |
| Years1: | 1980–1985 |
| Clubs1: | Guaraní |
| Years2: | 1986 |
| Clubs2: | Sportivo Luqueño |
| Years3: | 1987 |
| Clubs3: | Guaraní |
| Years4: | 1988 |
| Clubs4: | River Plate Asunción |
| Years5: | 1989–1990 |
| Caps5: | 16 |
| Goals5: | 5 |
| Clubs5: | San Lorenzo |
| Years6: | 1990 |
| Caps6: | 5 |
| Goals6: | 0 |
| Clubs6: | Deportivo Mandiyú |
| Years7: | 1991–1992 |
| Clubs7: | Cerro Porteño |
| Years8: | 1992 |
| Caps8: | 3 |
| Goals8: | 2 |
| Clubs8: | Deportes Antofagasta |
| Years9: | 1994–1997 |
| Clubs9: | River Plate Asunción |
| Manageryears1: | 2004–2008 |
| Managerclubs1: | Guaraní (youth) |
| Manageryears2: | 2008–2009 |
| Managerclubs2: | Guaraní |
| Manageryears3: | 2010–2011 |
| Managerclubs3: | Guaraní |
| Manageryears4: | 2012 |
| Managerclubs4: | Sportivo Luqueño |
| Manageryears5: | 2012 |
| Managerclubs5: | Sportivo San Lorenzo |
| Manageryears6: | 2013 |
| Managerclubs6: | Cerro Porteño PF |
| Manageryears7: | 2014 |
| Managerclubs7: | 12 de Octubre |
| Manageryears8: | 2014–2015 |
| Managerclubs8: | Deportivo Santaní |
| Manageryears9: | 2015 |
| Managerclubs9: | 3 de Febrero |
| Manageryears10: | 2015–2016 |
| Managerclubs10: | Deportivo Capiatá |
| Manageryears11: | 2016 |
| Managerclubs11: | Sportivo Luqueño |
| Manageryears12: | 2017 |
| Managerclubs12: | Cerro Porteño |
Félix Darío León Núñez (born May 2, 1961 in Luque, Paraguay) is a Paraguayan football manager and former footballer who played for clubs of Paraguay, Argentina and Chile.
San Lorenzo 1989-1990 Mandiyú de Corrientes 1990