Belgium
Formed: 1895 Manager: Domenico Tedesco [ITA]
| Number | Name | Nat | Pos | Height | Weight | Date of Birth | Birth Place | Current Club |
| 1 | Koen Casteels | BEL | G | 1.96 | 83 | 25-06-92 | Bonheiden | Wolfsburg |
| 2 | Zeno Debast | BEL | D | 1.91 | 76 | 24-10-03 | Halle | Anderlecht |
| 3 | Arthur Theate | BEL | D | 1.91 | 76 | 25-05-00 | Liège | Rennes |
| 4 | Wout Faes | BEL | D | 1.85 | 77 | 03-04-98 | Mol | Leicester C |
| 5 | Jan Vertonghen | BEL | D | 1.89 | 88 | 24-04-87 | Sint-Niklaas | Anderlecht |
| 6 | Axel Witsel | BEL | M | 1.86 | 73 | 12-01-89 | Liège | Atlético Madrid |
| 7 | Kevin De Bruyne | BEL | M | 1.81 | 68 | 28-06-91 | Drongen | Manchester C |
| 8 | Youri Tielemans | BEL | M | 1.76 | 72 | 07-05-97 | Sint-Pieters-Leeuw | Aston Villa |
| 9 | Leandro Trossard | BEL | M | 1.72 | 61 | 04-12-94 | Waterschei | Arsenal |
| 10 | Romelu Lukaku | BEL | F | 1.90 | 94 | 13-05-93 | Antwerp | Roma (On Loan) |
| 11 | Yannick Ferreira Carrasco | BEL | M | 1.81 | 73 | 04-09-93 | Elsene | Al-Shabab |
| 12 | Thomas Kaminski | BEL | G | 1.88 | 70 | 23-10-92 | Dendermonde | Luton T |
| 13 | Matz Sels | BEL | G | 1.88 | 75 | 26-02-92 | Lint | Nottingham F |
| 14 | Dodi Lukebakio | BEL | M | 1.87 | 77 | 24-09-97 | Asse | Sevilla |
| 15 | Thomas Meunier | BEL | D | 1.91 | 78 | 12-09-91 | Sainte-Ode | Trabzonspor |
| 16 | Aster Vranckx | BEL | M | 1.83 | 78 | 04-10-02 | Erps-Kwerps | Wolfsburg |
| 17 | Charles De Ketelaere | BEL | F | 1.85 | 74 | 10-03-01 | Bruges | Atalanta (On Loan) |
| 18 | Orel Mangala | BEL | M | 1.80 | 78 | 18-03-98 | Brussels | Lyon (On Loan) |
| 19 | Johan Bakayoko | BEL | F | 1.79 | 70 | 20-04-03 | Overijse | PSV Eindhoven |
| 20 | Loïs Openda | BEL | F | 1.74 | 70 | 16-02-00 | Liège | RB Leipzig |
| 21 | Timothy Castagne | BEL | D | 1.80 | 80 | 05-12-95 | Aarlen | Fulham |
| 22 | Jérémy Doku | BEL | F | 1.79 | 68 | 27-05-02 | Borgerhout | Manchester C |
| 23 | Arthur Vermeeren | BEL | M | 1.76 | 70 | 07-02-05 | Lier | Atlético Madrid |
| 24 | Amadou Onana | BEL | M | 1.92 | 85 | 16-08-01 | Dakar | Everton |
| 25 | Maxim De Cuyper | BEL | D | 1.83 | 72 | 22-10-00 | Knokke-Heist | Club Brugge |