| Shirt | Player | Position | Club | Age | Caps | Goals |
| 1 | Angus Gunn | Goalkeeper | Norwich City | 28 | 10 | 0 |
| 2 | Anthony Ralston | Full-Back | Celtic | 25 | 9 | 1 |
| 3 | Andrew Robertson (captain) | Full-Back | Liverpool | 30 | 71 | 3 |
| 4 | Scott McTominay | Midfielder | Manchester Utd | 27 | 49 | 8 |
| 5 | Grant Hanley | Defender | Norwich City | 32 | 50 | 2 |
| 6 | Kieran Tierney | Full-Back | Arsenal | 27 | 45 | 1 |
| 7 | John McGinn | Midfielder | Aston Villa | 29 | 66 | 18 |
| 8 | Callum McGregor | Midfielder | Celtic | 31 | 60 | 3 |
| 9 | Lawrence Shankland | Striker | Hearts | 28 | 11 | 3 |
| 10 | Che Adams | Striker | Southampton | 27 | 30 | 6 |
| 11 | Ryan Christie | Midfielder | Bournemouth | 29 | 49 | 6 |
| 12 | Liam Kelly | Goalkeeper | Motherwell | 34 | 1 | 0 |
| 13 | Jack Hendry | Defender | Al-Ettifaq | 29 | 31 | 3 |
| 14 | Billy Gilmour | Midfielder | Brighton & Hove Albion | 23 | 27 | 1 |
| 15 | Ryan Porteus | Defender | Watford | 25 | 11 | 1 |
| 16 | Liam Cooper | Defender | Leeds Utd | 32 | 19 | 0 |
| 17 | Stuart Armstrong | Midfielder | Southampton | 32 | 50 | 5 |
| 18 | Lewis Morgan | Striker | New York Red Bulls | 27 | 3 | 0 |
| 19 | Tommy Conway | Striker | Bristol City | 21 | 1 | 0 |
| 20 | Ryan Jack | Midfielder | unattached | 32 | 20 | 0 |
| 21 | Zander Clark | Goalkeeper | Hearts | 31 | 4 | 0 |
| 22 | Ross McCrorie | Full-Back | Bristol City | 26 | 1 | 0 |
| 23 | Kenny McLean | Midfielder | Norwich City | 32 | 39 | 2 |
| 24 | Greg Taylor | Full-Back | Celtic | 26 | 14 | 0 |
| 25 | James Forrest | Winger | Celtic | 32 | 39 | 5 |
| 26 | Scott McKenna | Defender | Nottingham Forest | 27 | 34 | 1 |