| Fonsi | |
| Fullname: | David López Nadales |
| Birth Date: | 22 January 1986 |
| Birth Place: | Zaragoza, Spain |
| Height: | 1.78 m |
| Position: | Defender |
| Currentclub: | Sariñena |
| Clubnumber: | 10 |
| Youthclubs1: | Zaragoza |
| Years1: | 2004–2005 |
| Caps1: | 4 |
| Goals1: | 0 |
| Years2: | 2005–2006 |
| Caps2: | 31 |
| Goals2: | 2 |
| Years3: | 2006–2007 |
| Years4: | 2007–2008 |
| Caps4: | 35 |
| Goals4: | 2 |
| Years5: | 2008–2009 |
| Caps5: | 20 |
| Goals5: | 0 |
| Years6: | 2009–2010 |
| Caps6: | 33 |
| Goals6: | 4 |
| Years7: | 2010–2012 |
| Caps7: | 61 |
| Goals7: | 14 |
| Years8: | 2012–2013 |
| Caps8: | 37 |
| Goals8: | 3 |
| Years9: | 2013–2014 |
| Caps9: | 20 |
| Goals9: | 0 |
| Years10: | 2014–2017 |
| Caps10: | 80 |
| Goals10: | 1 |
| Years11: | 2018–2019 |
| Caps11: | 31 |
| Goals11: | 1 |
| Years12: | 2019–2020 |
| Caps12: | 23 |
| Goals12: | 1 |
| Years13: | 2020– |
| Caps13: | 22 |
| Goals13: | 2 |
| Club-Update: | 21 March 2021 |
David López Nadales (born 22 January 1986 in Zaragoza, Aragon), known as Fonsi, is a Spanish professional footballer who plays as a defender for CD Sariñena.