| Sergio Castaño | |
| Fullname: | Sergio Castaño Ortega |
| Birth Date: | 2 February 1982 |
| Birth Place: | Dos Hermanas, Spain |
| Position: | Midfielder |
| Currentclub: | Eldense (assistant) |
| Youthclubs1: | Peña Rociera |
| Youthclubs2: | Sevilla |
| Years1: | 2000–2001 |
| Years2: | 2001–2003 |
| Years3: | 2003–2005 |
| Years4: | 2005–2007 |
| Years5: | 2007–2008 |
| Years6: | 2008–2009 |
| Years7: | 2009–2011 |
| Years8: | 2011–2012 |
| Years9: | 2012–2014 |
| Years10: | 2014–2015 |
| Clubs7: | Pontevedra |
| Clubs8: | Hospitalet |
| Clubs9: | Arroyo |
| Clubs10: | Gerena |
| Caps3: | 64 |
| Caps4: | 41 |
| Caps5: | 36 |
| Caps6: | 34 |
| Caps7: | 54 |
| Caps8: | 21 |
| Caps9: | 60 |
| Caps10: | 16 |
| Totalcaps: | 326 |
| Goals3: | 0 |
| Goals4: | 3 |
| Goals5: | 2 |
| Goals6: | 0 |
| Goals7: | 2 |
| Goals8: | 0 |
| Goals9: | 3 |
| Goals10: | 0 |
| Totalgoals: | 10 |
| Manageryears1: | 2015–2016 |
| Manageryears2: | 2016–2019 |
| Manageryears3: | 2019–2021 |
| Manageryears4: | 2021– |
| Managerclubs1: | Gerena (assistant) |
| Managerclubs2: | Betis B (assistant) |
| Managerclubs3: | Ceuta (assistant) |
| Managerclubs4: | Eldense (assistant) |
Sergio Castaño Ortega (born 2 February 1982) is a Spanish former footballer who played as a defensive midfielder, currently assistant manager of CD Eldense.
Castaño was born in Dos Hermanas, Province of Seville. An unsuccessful youth graduate of Sevilla FC, he went on to represent Dos Hermanas CF, Real Zaragoza B, Xerez CD, Pontevedra CF[1] [2] – two spells – AD Ceuta, CE L'Hospitalet[3] and Arroyo CP.[4]
With the exception of Andalusia's Xerez (Segunda División), all of Castaño's career was spent in the lower leagues. In 2014, aged 32, he moved to the Tercera División with CD Gerena.[5]
After retiring, Castaño worked as assistant manager under José Juan Romero at Gerena, Betis Deportivo Balompié[6] and AD Ceuta FC.[7]