| Goalkeeper | |||||
|---|---|---|---|---|---|
| # | Name | Country | Birthday | ||
| 24 |  | Pere García |  | Spain | 22.03.2002 |
| 25 |  | Romo | | Spain | 22.07.2002 |
| 13 |  | Ruiz-Zeberio | | Spain | 19.06.2000 |
| 1 |  | Sergi Puig | | Spain | 19.11.1998 |
| Defence | |||||
| # | Name | Country | Birthday | ||
| 2 |  | Àlex Carbonell | | Spain | 13.03.2001 |
| 6 |  | Antxón Jaso | | Spain | 23.09.1997 |
| 4 |  | Mario Camero | | Spain | 18.02.2004 |
| 22 |  | Markel Etxeberria | | Spain | 15.02.1995 |
| 3 |  | Mateo | | Spain | 16.02.1997 |
| 12 |  | Mirapeix | | Spain | 15.05.2000 |
| 23 |  | Roberto Corral | | Spain | 14.09.1997 |
| Midfield | |||||
| # | Name | Country | Birthday | ||
| 19 |  | Armando | | Spain | 30.03.1994 |
| 28 |  | Asier del Río | | Spain | 01.02.2003 |
| 15 |  | Gaizka Martínez | | Spain | 27.10.1996 |
| 8 |  | Garai | | Spain | 02.01.1997 |
| 14 |  | Gete | | Spain | 07.02.2001 |
| 29 |  | Guillermo Díaz | | Spain | |
| 21 |  | Jon Guruzeta | | Spain | 03.04.2000 |
| 15 |  | Julen Azkue | | Spain | 21.09.1995 |
| 11 |  | Kepa Uriarte | | Spain | 23.02.2002 |
| Forward | |||||
| # | Name | Country | Birthday | ||
| 7 |  | Aitor Aranzabe | | Spain | 28.06.1998 |
| 16 |  | Alejandro Jiménez | | Spain | 21.09.2003 |
| 18 |  | Dopico | | Spain | 18.03.1995 |
| 20 |  | Ibai Sanz | | Spain | 13.08.2003 |
| 9 |  | Jon Cabo | | Spain | 20.06.2000 |
| 17 |  | Kaxe | | Spain | 21.01.1994 |
| 10 |  | Leandro Martínez | | Spain | 07.07.1994 |
 | El Hadji Ndiaga Diop |  | Senegal | 17.10.2001 | |
| 16 |  | Ozkoidi | | Spain | 23.04.1990 |
| Manager | |||||
| # | Name | Country | Birthday | ||
 | Aitor Calle | | Spain | 28.06.1976 | |
Sestao River