| # | Name | Verein | Geburtstag | ||
|---|---|---|---|---|---|
| Torwart | |||||
 | David Raya |  | Arsenal FC | 15.09.1995 | |
 | Remiro |  | Real Sociedad San Sebastian | 24.03.1995 | |
 | Robert Sánchez |  | Chelsea FC | 18.11.1997 | |
| Abwehr | |||||
 | Álex Grimaldo |  | Bayer Leverkusen | 20.09.1995 | |
 | Cucurella | | Chelsea FC | 22.07.1998 | |
 | Dani Carvajal |  | Real Madrid | 11.01.1992 | |
 | Aymeric Laporte |  | Al Nassr | 27.05.1994 | |
 | Robin Le Normand |  | Atlético Madrid | 11.11.1996 | |
 | Óscar Mingueza |  | RC Celta | 13.05.1999 | |
 | Pau Cubarsí |  | FC Barcelona | 22.01.2007 | |
 | Pau Torres |  | Aston Villa | 16.01.1997 | |
 | Pedro Porro |  | Tottenham Hotspur | 13.09.1999 | |
 | Vivian |  | Athletic Bilbao | 05.07.1999 | |
| Mittelfeld | |||||
 | Aleix García | | Bayer Leverkusen | 28.06.1997 | |
 | Álex Baena |  | Villarreal CF | 20.07.2001 | |
 | Dani Olmo | | FC Barcelona | 07.05.1998 | |
 | Fabián Ruiz |  | Paris Saint-Germain | 03.04.1996 | |
 | Martín Zubimendi | | Real Sociedad San Sebastian | 02.02.1999 | |
 | Mikel Merino | | Arsenal FC | 22.06.1996 | |
 | Pedri | | FC Barcelona | 25.11.2002 | |
 | Pepelu |  | Valencia CF | 11.08.1998 | |
 | Rodri |  | Manchester City | 22.06.1996 | |
 | Sergio Gómez | | Real Sociedad San Sebastian | 04.09.2000 | |
| Sturm | |||||
 | Álvaro Morata |  | AC Mailand | 23.10.1992 | |
 | Ayoze Pérez | | Villarreal CF | 29.07.1993 | |
 | Bryan Gil |  | Girona FC | 11.02.2001 | |
 | Bryan Zaragoza |  | CA Osasuna | 09.09.2001 | |
 | Ferran Torres | | FC Barcelona | 29.02.2000 | |
 | Joselu |  | Al Gharafa | 27.03.1990 | |
 | Lamine Yamal | | FC Barcelona | 13.07.2007 | |
 | Mikel Oyarzabal | | Real Sociedad San Sebastian | 21.04.1997 | |
 | Nico Williams | | Athletic Bilbao | 12.07.2002 | |
 | Rodrigo Riquelme | | Atlético Madrid | 02.04.2000 | |
 | Yéremy | | Villarreal CF | 20.10.2002 | |
| Trainer | |||||
 | Luis de la Fuente | 21.06.1961 | |||
