| Unai Alba | |
| Fullname: | Unai Alba Pagadizabal |
| Birth Date: | 19 February 1978 |
| Birth Place: | Oiartzun, Spain |
| Position: | Goalkeeper |
| Years1: | 1998–1999 |
| Years2: | 1999–2001 |
| Caps2: | 22 |
| Goals2: | 0 |
| Years3: | 2001–2002 |
| Clubs3: | Zestoa |
| Years4: | 2002–2004 |
| Years5: | 2004–2006 |
| Caps5: | 85 |
| Goals5: | 0 |
| Years6: | 2007 |
| Caps6: | 0 |
| Goals6: | 0 |
| Years7: | 2007–2011 |
| Caps7: | 37 |
| Goals7: | 0 |
| Years8: | 2011–2012 |
| Caps8: | 27 |
| Goals8: | 0 |
| Years9: | 2012–2013 |
| Caps9: | 40 |
| Goals9: | 0 |
| Years10: | 2014 |
| Caps10: | 13 |
| Goals10: | 0 |
| Nationalyears1: | 2007 |
| Nationalcaps1: | 1 |
| Nationalgoals1: | 0 |
Unai Alba Pagadizabal (born 19 February 1978 in Oiartzun, Gipuzkoa, Basque Country) is a Spanish former professional footballer who played as a goalkeeper.