| Goalkeeper | |||||
|---|---|---|---|---|---|
| # | Name | Country | Birthday | ||
| 25 |  | Carlos Santibañez |  | Spain | 28.05.2002 |
| 13 |  | De Miguel | | Spain | 28.06.1999 |
| 1 |  | Iturrioz | | Spain | 12.01.1988 |
| Defence | |||||
| # | Name | Country | Birthday | ||
| 2 |  | Aitor Morcillo | | Spain | 10.09.1994 |
| 18 |  | David Morante | | Spain | 11.01.2000 |
| 15 |  | Jon Agirrezabala | | Spain | 31.10.1995 |
| 6 |  | Juaristi | | Spain | 26.05.1992 |
| 5 |  | Koldo Berasaluze | | Spain | 17.05.1992 |
| 21 |  | Roger Marcè | | Spain | 02.05.1997 |
| 3 |  | Matías Sánchez |  | Argentina | 02.06.2001 |
| 24 |  | Sergio López | | Spain | 09.08.2003 |
| 4 |  | Xabi Etxebarria | | Spain | 20.07.1987 |
| Midfield | |||||
| # | Name | Country | Birthday | ||
| 22 |  | Arturo Segado | | Spain | 17.04.1997 |
| 27 |  | Dani Unanue | | Spain | |
| 8 |  | Garai | | Spain | 02.01.1997 |
| 7 |  | Goti | | Spain | 03.05.1989 |
| 14 |  | Haritz Albisua | | Spain | 01.10.1992 |
| 26 |  | Markel Castillo | | Spain | 10.06.2003 |
| 12 |  | Sang-min Pak |  | South Korea | 14.04.1999 |
| 19 |  | Adrián Vich | | Spain | 15.03.2001 |
| Forward | |||||
| # | Name | Country | Birthday | ||
| 28 |  | Izan Gutiérrez | | Spain | 01.03.2002 |
| 16 |  | Jaime Dios | | Spain | 26.07.1997 |
| 20 |  | Mikel Pradera | | Spain | 12.10.1995 |
| 11 |  | Rely Cabral |  | Cape Verde Islands | 06.05.1997 |
| 10 |  | Sergio García | | Spain | 18.03.1990 |
| 17 |  | Xabi Mayordomo | | Spain | 31.01.1999 |
| 9 |  | Yurrebaso | | Spain | 25.01.1990 |
| Manager | |||||
| # | Name | Country | Birthday | ||
 | Andoitz Galdós | | Spain | 11.04.1985 | |
SD Leioa