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Squad of Iceland for UEFA U-21 2021
| # | | | | Player | | Height | |
Age | | | Position |
Team |
| | 13 | |
| |
Gunnarsson, PS
| | 1.90 | | 20 | | | GK |  Viborg |
| 1 | |
| |
Ólafsson, E
| | 2.01 | | 21 | | | GK | Midtjyl. |
| 12 | |
 | |
Valdimarsson, H
| | 1.88 | | 19 | | | GK |  Grótta |
| | 23 | |
| |
Leifsson, A
| | 1.93 | | 22 | | | DF Centre-back |  Godset |
| 2 | |
| |
Pálmason
| | 1.96 | | 20 | | | DF Centre-back |  Norrköpin |
| 5 | |
| |
Ólafsson, Ísak
| | 1.88 | | 20 | | | DF Centre-back | Keflavík |
| 20 | |
| |
Finnsson
| | 1.78 | | 21 | | | DF Left-back |  BVB II |
| 4 | |
| |
Þorkelsson
| | 1.86 | | 18 | | | DF Left-back/Centre-back | Breidablk |
| 16 | |
| |
Gunnarsson, HI
| | 1.80 | | 22 | | | DF Either side back | FH |
| 3 | |
| |
Friðriksson, V
| | 1.91 | | 19 | | | DF Either side back | Häcken |
| | 18 | |
 | |
Willumsson
| | 1.93 | | 22 | | | MF Box-to-Box midfielder/Right-midfield |  BATE |
| 22 | |
| |
Thordarson, K
| | 1.76 | | 21 | | | MF Box-to-Box midfielder |  Lommel |
| 9 | |
| |
Þórðarson, ST
| | 1.89 | | 22 | | | MF Box-to-Box midfielder/Striker | Silkeborg |
| 7 | |
| |
Jóhannesson, Í
| | 1.83 | | 18 | | | MF Box-to-Box midfielder/Right-midfield | Norrköpin |
| 8 | |
| |
Baldursson, A
| | 1.87 | | 19 | | | MF Box-to-Box midfielder |  Bologna |
| 21 | |
| |
Helgason, Þ
| | 1.87 | | 20 | | | MF Box-to-Box midfielder | FH |
| 6 | |
| |
Hauksson, A
| | 1.78 | | 21 | | | MF Defensive midfielder | Stjarnan |
| 19 | |
| |
Bjarkason
| | 1.76 | | 20 | | | MF Either side midfield/Attacking midfielder | Venezia |
| | 15 | |
| |
Ingimundarson
| | 1.81 | | 21 | | | FW | Godset |
| 10 | |
| |
Anderson, Mikael
| | 1.80 | | 22 | | | FW Left-wing/Box-to-Box midfielder | Midtjyl. |
| 11 | |
| |
Þorsteinsson, J
(c) | | 1.77 | | 22 | | | FW Left-wing/Attacking midfielder | AGF |
| 17 | |
| |
Guðjohnsen, S
| | 1.85 | | 22 | | | FW Striker | OB |
| 14 | |
| |
Willumsson, B D
| | 1.85 | | 20 | | | FW Striker | KBK |
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