| Goalkeeper | |||||
|---|---|---|---|---|---|
| # | Name | Country | Birthday | ||
| 1 |  | Barandiarán |  | Spain | 01.10.1993 |
| 13 |  | Javi Rabanillo | | Spain | 21.10.1995 |
| 31 |  | Romo | | Spain | 22.07.2002 |
| Defence | |||||
| # | Name | Country | Birthday | ||
| 4 |  | Ander Blanco | | Spain | 16.03.2000 |
| 6 |  | Aritz Huete | | Spain | 27.06.1996 |
| 21 |  | Leiza | | Spain | 18.02.1997 |
| 2 |  | Markel Bravo | | Spain | 30.03.1999 |
| 11 |  | Markel Etxeberria | | Spain | 15.02.1995 |
| 3 |  | Mateo | | Spain | 16.02.1997 |
| 5 |  | Daiki Niwa |  | Japan | 16.01.1986 |
| 14 |  | Zumalakárregui | | Spain | 13.01.1986 |
| Midfield | |||||
| # | Name | Country | Birthday | ||
| 7 |  | Aitor Villar | | Spain | 26.01.1991 |
| 18 |  | Baqué | | Spain | 01.01.1997 |
| 15 |  | Gaizka Martínez | | Spain | 27.10.1996 |
| 8 |  | Garai | | Spain | 02.01.1997 |
| 20 |  | Gorka Agirre | | Spain | 13.04.2000 |
| 19 |  | Goti | | Spain | 03.05.1989 |
| 12 |  | Pepe Blanco | | Spain | 29.07.1999 |
| 10 |  | Salinas | | Spain | 28.02.1993 |
| Forward | |||||
| # | Name | Country | Birthday | ||
| 9 |  | Dieng |  | Senegal | 18.09.1997 |
| 16 |  | Íñigo López | | Spain | 27.04.2002 |
| 17 |  | Josu Juste | | Spain | 12.04.2000 |
| 22 |  | Unai Buján | | Spain | 08.02.2001 |
| Manager | |||||
| # | Name | Country | Birthday | ||
 | Aitor Calle | | Spain | 28.06.1976 | |
Sestao River