| Noel Alonso | |
| Fullname: | Noel Alonso Pérez |
| Birth Date: | 19 March 1987 |
| Birth Place: | Gijón, Spain |
| Position: | Left back |
| Youthyears1: | 2002–2005 |
| Youthclubs1: | Sporting Gijón |
| Years1: | 2005–2007 |
| Years2: | 2006–2009 |
| Years3: | 2007 |
| Years4: | 2008 |
| Years5: | 2008 |
| Years6: | 2008–2009 |
| Years7: | 2009–2011 |
| Years8: | 2011–2012 |
| Years9: | 2012–2013 |
| Years10: | 2013–2014 |
| Years11: | 2014–2017 |
| Years12: | 2018–2019 |
| Clubs3: | → Palencia (loan) |
| Clubs4: | → Celta B (loan) |
| Clubs5: | → Celta (loan) |
| Clubs6: | → Melilla (loan) |
| Clubs7: | Pontevedra |
| Clubs8: | Langreo |
| Clubs9: | Caudal |
| Clubs10: | Austria Klagenfurt |
| Clubs11: | Caudal |
| Clubs12: | Llanera |
| Caps1: | 28 |
| Caps2: | 9 |
| Caps3: | 4 |
| Caps4: | 17 |
| Caps5: | 3 |
| Caps6: | 32 |
| Caps7: | 33 |
| Caps8: | 34 |
| Caps9: | 34 |
| Caps10: | 13 |
| Caps11: | 109 |
| Caps12: | 33 |
| Goals1: | 0 |
| Goals2: | 0 |
| Goals3: | 0 |
| Goals4: | 0 |
| Goals5: | 0 |
| Goals6: | 0 |
| Goals7: | 0 |
| Goals8: | 3 |
| Goals9: | 1 |
| Goals10: | 0 |
| Goals11: | 4 |
| Goals12: | 5 |
| Nationalyears1: | 2006 |
| Nationalteam1: | Spain U19 |
| Nationalcaps1: | 1 |
| Nationalgoals1: | 0 |
| Club-Update: | 19 May 2019 |
Noel Alonso Pérez (born 19 March 1987 in Gijón, Asturias) is a Spanish professional footballer who plays as a left back.