Spain U21 most appearances
30 players turned out for Spain U21 in 2021. From 5 matches played.
| # | Player | Matches |
|---|---|---|
| 1 | Abel Ruiz Ortega | 5 |
| 2 | Adrià Giner Pedrosa | 5 |
| 3 | Brahim Abdelkader Díaz | 5 |
| 4 | Francisco José Beltrán Peinado | 5 |
| 5 | Gonzalo Villar del Fraile | 5 |
| 6 | Javier Puado Díaz | 5 |
| 7 | Jorge Cuenca Barreno | 5 |
| 8 | Josep Martínez Riera | 5 |
| 9 | Juan Miranda González | 5 |
| 10 | Manuel García Alonso | 5 |
| 11 | Marc Cucurella Saseta | 5 |
| 12 | Martín Zubimendi Ibáñez | 5 |
| 13 | Yeremi Jesús Pino Santos | 5 |
| 14 | Álvaro Fernández Llorente | 5 |
| 15 | Hugo Guillamón Sanmartín | 4 |
| 16 | Óscar Mingueza García | 4 |
| 17 | Alejandro Domínguez Romero | 3 |
| 18 | Alejandro Pozo Pozo | 3 |
| 19 | Ander Barrenetxea Muguruza | 3 |
| 20 | Daniel Gómez Alcón | 3 |
| 21 | Gonzalo Ávila Gordon | 3 |
| 22 | Jon Moncayola Tollar | 3 |
| 23 | Ricard Puig Martí | 3 |
| 24 | Alejandro Francés Torrijo | 2 |
| 25 | Antonio Blanco Conde | 2 |
| 26 | Bryan Gil Salvatierra | 2 |
| 27 | Fernando Niño Rodríguez | 2 |
| 28 | Ignacio Peña Sotorres | 2 |
| 29 | Oihan Sancet Tirapu | 2 |
| 30 | Óscar Gil Regaño | 2 |