| # | Name | Verein | Geburtstag | ||
|---|---|---|---|---|---|
| Torwart | |||||
| 1 |  | David Raya |  | Arsenal FC | 15.09.1995 |
| 13 |  | Joan García |  | FC Barcelona | 04.05.2001 |
| 23 |  | Unai Simón |  | Athletic Club | 11.06.1997 |
| Abwehr | |||||
| 3 |  | Álex Grimaldo |  | Bayer Leverkusen | 20.09.1995 |
| 24 |  | Marc Cucurella |  | Chelsea FC | 22.07.1998 |
| 4 |  | Eric García | | FC Barcelona | 09.01.2001 |
| 14 |  | Aymeric Laporte | | Athletic Club | 27.05.1994 |
| 2 |  | Marc Pubill |  | Atlético Madrid | 20.06.2003 |
| 22 |  | Pau Cubarsí | | FC Barcelona | 22.01.2007 |
| 12 |  | Pedro Porro |  | Tottenham Hotspur | 13.09.1999 |
| Mittelfeld | |||||
| 15 |  | Álex Baena | | Atlético Madrid | 20.07.2001 |
| 10 |  | Dani Olmo | | FC Barcelona | 07.05.1998 |
| 8 |  | Fabián Ruiz |  | Paris Saint-Germain | 03.04.1996 |
| 9 |  | Gavi | | FC Barcelona | 05.08.2004 |
| 5 |  | Marcos Llorente | | Atlético Madrid | 30.01.1995 |
| 18 |  | Martín Zubimendi | | Arsenal FC | 02.02.1999 |
| 6 |  | Mikel Merino | | Arsenal FC | 22.06.1996 |
| 20 |  | Pedri | | FC Barcelona | 25.11.2002 |
| 16 |  | Rodri |  | Manchester City | 22.06.1996 |
| Sturm | |||||
| 26 |  | Borja Iglesias |  | RC Celta | 17.01.1993 |
| 7 |  | Ferran Torres | | FC Barcelona | 29.02.2000 |
| 19 |  | Lamine Yamal | | FC Barcelona | 13.07.2007 |
| 21 |  | Mikel Oyarzabal |  | Real Sociedad San Sebastian | 21.04.1997 |
| 17 |  | Nico Williams | | Athletic Club | 12.07.2002 |
| 25 |  | Víctor Muñoz |  | CA Osasuna | 13.07.2003 |
| 11 |  | Yéremy Pino |  | Crystal Palace | 20.10.2002 |
| Trainer | |||||
 | Luis de la Fuente | 21.06.1961 | |||
