| Player | Country | Position | born | |
|---|---|---|---|---|
| A | ||||
| Aimar Vicandi |
|
Spain | Forward | 09/02/2005 |
| Aritz Ortigosa |
|
Spain | Defender | 06/01/2007 |
| B | ||||
| Beñat García |
|
Spain | Midfielder | 21/01/2007 |
| Borja Sainz |
|
Spain | Midfielder | 21/02/2001 |
| D | ||||
| David Arredondo |
|
Spain | Midfielder | 26/03/2006 |
| E | ||||
| Esteban |
|
Spain | Defender | 29/08/1999 |
| I | ||||
| Iker Pagazartundua |
|
Spain | Goalkeeper | 13/03/2007 |
| Ismahel Saidani |
|
Spain | Forward | 14/02/2008 |
| Ispizua |
|
Spain | Goalkeeper | 08/04/2003 |
| L | ||||
| Aymeric Laporte |
|
Spain | Defender | 27/05/1994 |
| Llorente |
|
Spain | Forward | 26/02/1985 |
| Luis Jiménez |
|
Spain | Forward | 20/02/2001 |
| M | ||||
| Richard MC Mensah Quarshie |
|
Germany | Defender | 05/06/1998 |
| N | ||||
| Nico Serrano |
|
Spain | Midfielder | 05/03/2003 |
| O | ||||
| Oihan Encinas |
|
Spain | Midfielder | 08/06/2008 |
| P | ||||
| Peio Huestamendia |
|
Spain | Midfielder | 08/11/2006 |
| S | ||||
| Simón García |
|
Spain | Goalkeeper | 19/04/2007 |
![Athletic Bilbao [Youth B]](https://s.hs-data.com/bilder/wappen/mittel/25226.gif?fallback=png "Athletic Bilbao [Youth B]")
![Athletic Bilbao [Women]](https://s.hs-data.com/bilder/wappen/mini/3623.gif?fallback=png "Athletic Bilbao [Women]"){kind=small}
![Athletic Bilbao [Youth]](https://s.hs-data.com/bilder/wappen/mini/14349.gif?fallback=png "Athletic Bilbao [Youth]"){kind=small}
![Athletic Bilbao [Youth Women]](https://s.hs-data.com/bilder/wappen/mini/46718.gif?fallback=png "Athletic Bilbao [Youth Women]"){kind=small}
![Athletic Bilbao [Youth B Women]](https://s.hs-data.com/bilder/wappen/mini/36000.gif?fallback=png "Athletic Bilbao [Youth B Women]"){kind=small}