| Fernando Díaz | |
| Fullname: | Fernando Maximiliano Díaz Seguel |
| Birth Date: | 27 December 1961 |
| Birth Place: | Santiago, Chile |
| Position: | Goalkeeper |
| Currentclub: | Coquimbo Unido (manager) |
| Youthclubs1: | Universidad Católica |
| Years1: | 1980–1982 |
| Caps1: | 0 |
| Goals1: | 0 |
| Years2: | 1982 |
| Years3: | 1983 |
| Years4: | 1984–1985 |
| Caps4: | 2 |
| Goals4: | 0 |
| Years5: | 1985 |
| Years6: | 1986 |
| Caps6: | 0 |
| Goals6: | 0 |
| Years7: | 1986 |
| Years8: | 1987–1990 |
| Caps8: | 2 |
| Goals8: | 0 |
| Years9: | 1991 |
| Years10: | 1992 |
| Clubs10: | Universidad Católica |
| Caps10: | 0 |
| Goals10: | 0 |
| Manageryears2: | 1999 |
| Manageryears3: | 2000 |
| Manageryears4: | 2001 |
| Manageryears5: | 2003 |
| Manageryears6: | 2004 |
| Manageryears7: | 2005 |
| Manageryears8: | 2006 |
| Manageryears9: | 2007 |
| Manageryears10: | 2008–2009 |
| Manageryears11: | 2010 |
| Manageryears12: | 2010–2011 |
| Manageryears13: | 2012 |
| Manageryears14: | 2013 |
| Manageryears15: | 2014 |
| Manageryears16: | 2015–2016 |
| Manageryears17: | 2018–2019 |
| Manageryears18: | 2022– |
| Managerclubs1: | Universidad Católica (youth) |
| Managerclubs2: | LDU Quito (assistant) |
| Managerclubs12: | Santiago Morning |
| Managerclubs14: | Municipal |
| Managerclubs15: | San Marcos |
| Managerclubs16: | Ñublense |
| Managerclubs17: | Unión Española |
| Managerclubs18: | Coquimbo Unido |
Fernando Maximiliano Díaz Seguel (born 27 December 1961) is a Chilean football manager and former player who played as a goalkeeper. He is the current manager of Coquimbo Unido.
He is known for winning 2005 Apertura with Unión Española and for reaching the semifinals of the 2008 Apertura with Ñublense.
After two years without managing, in 2 August 2022 he joined Coquimbo Unido in the Chilean Primera División.[1]