| Player | Country | Position | born | |
|---|---|---|---|---|
| A | ||||
| Adrián Aranguren |
|
Spain | Midfielder | 09/02/1998 |
| Aimar Etxeberría |
|
Spain | Goalkeeper | 01/01/2005 |
| Aitor |
|
Spain | Midfielder | 22/06/2002 |
| Aitor Irigoyen |
|
Spain | Midfielder | |
| Alejandro Gómez |
|
Spain | Midfielder | 01/01/2003 |
| Álex Tierno |
|
Spain | Defender | 01/01/2004 |
| Altxu |
|
Spain | Forward | 02/04/2004 |
| Alustiza |
|
Spain | Midfielder | 28/01/1992 |
| Álvaro Marín |
|
Spain | Goalkeeper | 17/11/1998 |
| Álvaro Mata |
|
Spain | Midfielder | 23/08/1998 |
| Ángel Fraga |
|
Spain | Goalkeeper | 13/05/1996 |
| Aritz |
|
Spain | Defender | 18/09/1986 |
| Aritz Zabaleta |
|
Spain | Forward | 10/07/1993 |
| Asier Galeano |
|
Spain | Defender | 02/02/1999 |
| B | ||||
| Baranda |
|
Spain | Midfielder | 13/02/1991 |
| Bicho |
|
Spain | Forward | 19/08/2000 |
| Boñi |
|
Spain | Midfielder | 09/01/1994 |
| C | ||||
| Cárdenas |
|
Spain | Goalkeeper | 09/02/2004 |
| D | ||||
| Dufur |
|
Spain | Defender | 17/04/2001 |
| E | ||||
| Eneko Ezcurra |
|
Spain | Midfielder | 11/04/1998 |
| Ezcurra |
|
Spain | Defender | 25/01/1992 |
| G | ||||
| Garijo |
|
Spain | Goalkeeper | 08/05/1990 |
| Goikoetxea |
|
Spain | Defender | 26/09/1994 |
| Guillermo |
|
Spain | Goalkeeper | 17/05/1992 |
| H | ||||
| Sergio Herrero |
|
Spain | Defender | 25/03/2003 |
| I | ||||
| Ibai Armendariz |
|
Spain | Midfielder | 06/12/1998 |
| Ibai Elizondo |
|
Spain | Midfielder | |
| Iker Balda |
|
Spain | Defender | 06/09/2002 |
| Iker Pérez |
|
Spain | Forward | 23/01/1993 |
| Imanol García |
|
Spain | Midfielder | 26/12/1995 |
| Inach |
|
Spain | Forward | 12/01/2003 |
| Iñaki Alberca |
|
Spain | Forward | 01/01/2004 |
| Iñaki Beloqui |
|
Spain | Goalkeeper | 01/07/2002 |
| Iñaki de Esteban |
|
Spain | Midfielder | 25/03/1992 |
| Iñaki Lalinde |
|
Spain | Midfielder | 13/04/1997 |
| Iñigo Burusco |
|
Spain | Forward | 19/07/2002 |
| Íñigo Morte |
|
Spain | Defender | 06/05/2000 |
| Iribarren |
|
Spain | Forward | 07/06/2000 |
| Iriguibel |
|
Spain | Forward | 29/05/1990 |
| Isi |
|
Spain | Defender | 15/08/1999 |
| Israel García |
|
Spain | Midfielder | 30/04/1998 |
| J | ||||
| Jaime |
|
Spain | Midfielder | 29/12/1987 |
| Javi Jiménez |
|
Spain | Midfielder | 15/11/1986 |
| Javier Abadía |
|
Spain | Goalkeeper | |
| Javier Lizárraga |
|
Spain | Defender | 28/05/1997 |
| Jesús Sayes |
|
Spain | Forward | 22/05/1999 |
| Joan Rusiñol |
|
Spain | Midfielder | 27/04/2000 |
| Joaquín Recalde |
|
Spain | Midfielder | 01/01/2003 |
| Jon Salinas |
|
Spain | Midfielder | 01/01/1999 |
| Julen Foncillas |
|
Spain | Defender | 14/05/1994 |
| Julen Pagola |
|
Spain | Goalkeeper | 30/08/2000 |
| L | ||||
| Lander Mañeru |
|
Spain | Defender | 16/09/2004 |
| Lecumberri |
|
Spain | Goalkeeper | 24/05/1991 |
| Lusarreta |
|
Spain | Defender | 04/09/1985 |
| M | ||||
| Armengol Makole |
|
Equatorial Guinea | Forward | 01/03/2003 |
| Marcos Olcoz |
|
Spain | Midfielder | 08/05/2001 |
| Mario Adot |
|
Spain | Defender | 01/01/2001 |
| Martiarena |
|
Spain | Midfielder | |
| Meler |
|
Spain | Defender | 01/01/2004 |
| Mendoza |
|
Spain | Defender | 14/07/2003 |
| Mercero |
|
Spain | Midfielder | 15/04/1984 |
| Miguel Lezaun |
|
Spain | Forward | 21/10/1994 |
| Mikel Aldave |
|
Spain | Goalkeeper | |
| Mikel Arbeloa |
|
Spain | Midfielder | 08/08/2000 |
| Morillas |
|
Spain | Midfielder | 24/12/1993 |
| O | ||||
| Oier Retegui |
|
Spain | Defender | 06/02/2001 |
| P | ||||
| Pablo Ibáñez |
|
Spain | Defender | 20/09/1998 |
| Pablo Palacios |
|
Spain | Forward | 01/01/2000 |
| Peli |
|
Spain | Defender | 28/10/1984 |
| R | ||||
| Rafinha |
|
Spain | Forward | 29/12/1997 |
| Recalde |
|
Spain | Midfielder | 23/02/1999 |
| Rives |
|
Spain | Forward | 04/06/1990 |
| S | ||||
| Sandúa |
|
Spain | Defender | 23/02/1987 |
| Singa |
|
Spain | Defender | 13/06/1990 |
| T | ||||
| Tasio Villacampa |
|
Spain | Goalkeeper | 27/12/2002 |
| U | ||||
| Unai Albisu |
|
Spain | Midfielder | 20/07/2001 |
| Unai Lacomba |
|
Spain | Defender | 30/03/1996 |
