| Demetrio Greco | |
| Fullname: | Demetrio Alessandro Greco |
| Birth Date: | 10 August 1979 |
| Birth Place: | Cosenza, Italy |
| Height: | 1.860NaN0 |
| Position: | Goalkeeper |
| Currentclub: | Potenza (GK coach) |
| Years1: | 1995–1998 |
| Years2: | 1998–1999 |
| Years3: | 1999–2001 |
| Years4: | 2001–2003 |
| Years5: | 2004 |
| Years6: | 2004–2005 |
| Years7: | 2005 |
| Years8: | 2006 |
| Years9: | 2006–2007 |
| Years10: | 2007–2009 |
| Years11: | 2009–2010 |
| Years12: | 2010–2011 |
| Clubs2: | Montalto |
| Clubs3: | Nuova Acri |
| Clubs10: | Castrovillari |
| Clubs11: | Acireale |
| Clubs12: | Montalto |
| Caps1: | 51 |
| Caps2: | 26 |
| Caps3: | 51 |
| Caps4: | 35 |
| Caps5: | 1 |
| Caps6: | 20 |
| Caps7: | 12 |
| Caps8: | 0 |
| Caps9: | 7 |
| Caps10: | 0 |
| Caps11: | 0 |
| Caps12: | 0 |
| Goals1: | 0 |
| Goals2: | 0 |
| Goals3: | 0 |
| Goals4: | 0 |
| Goals5: | 0 |
| Goals6: | 0 |
| Goals7: | 0 |
| Goals8: | 0 |
| Goals9: | 0 |
| Goals10: | 0 |
| Goals11: | 0 |
| Goals12: | 0 |
| Years13: | 2013–2014 |
| Years14: | 2014 |
| Manageryears1: | 2014–2015 |
| Managerclubs1: | Rende (youth GK coach) |
| Manageryears2: | 2015–2019 |
| Managerclubs2: | Rende (GK coach) |
| Manageryears3: | 2019–2021 |
| Managerclubs3: | Virtus Francavilla (GK coach) |
| Manageryears4: | 2021–2022 |
| Managerclubs4: | Potenza (GK coach) |
| Manageryears5: | 2022– |
| Managerclubs5: | Potenza (GK coach) |
Demetrio Alessandro Greco (born 10 August 1979) is an Italian football coach and a former player who is the goalkeeping coach with Potenza.
He was signed by Messina of Serie B on 29 January 2004.