Willum Thór Willumsson
| Date of birth | 23 October 1998 |
| Place of birth | Reykjavík |
| Nationality | Icelandic |
| Weight | 84 kg |
| Height | 1.91 m |
| Position | Midfielder |
International stats
| Season | Team | Competition | Apps | Subs | Goals | Y | R |
|---|---|---|---|---|---|---|---|
| 2018-19 | Iceland | International Friendly | 1 |
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| 2022-23 | Iceland | UEFA European Championship | 2 |
1
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| 2023-24 | Iceland | UEFA European Championship | 6 |
1
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| 2024-25 | Iceland | International Friendly | 1 | 1 |
1
|
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| 2024-25 | Iceland | UEFA Nations League | 2 | 5 |
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| 2025-26 | Iceland | Kirin Challenge Cup | 1 |
Please note: Career stats are based on performances in the Premier and Football Leagues and (in most cases all) internationals.
International matches
| Date | Match | Result | Competition | Round | |
|---|---|---|---|---|---|
| 15 Jan 2019 | Estonia v Iceland | D | 0-0 | International Friendly | |
| 17 Jun 2023 | Iceland v Slovakia | L | 1-2 | UEFA European Championship | Qualifying group J |
| 20 Jun 2023 | Iceland v Portugal | L | 0-1 | UEFA European Championship | Qualifying group J |
| 11 Sep 2023 | Iceland v Bosnia and Herzegovina | W | 1-0 | UEFA European Championship | Qualifying group J |
| 13 Oct 2023 | Iceland v Luxembourg | D | 1-1 | UEFA European Championship | Qualifying group J |
| 16 Oct 2023 | Iceland v Liechtenstein | W | 4-0 | UEFA European Championship | Qualifying group J |
| 16 Nov 2023 | Slovakia v Iceland | L | 4-2 | UEFA European Championship | Qualifying group J |
| 19 Nov 2023 | Portugal v Iceland | L | 2-0 | UEFA European Championship | Qualifying group J |
| 21 Mar 2024 | Israel v Iceland | W | 1-4 | UEFA European Championship | Play-off semi-final Path B |
| 06 Sep 2024 | Iceland v Montenegro | W | 2-0 | UEFA Nations League | League B Group B4 |
| 09 Sep 2024 | Turkey v Iceland | L | 3-1 | UEFA Nations League | League B Group B4 |
| 11 Oct 2024 | Iceland v Wales | D | 2-2 | UEFA Nations League | League B Group B4 |
| 14 Oct 2024 | Iceland v Turkey | L | 2-4 | UEFA Nations League | League B Group B4 |
| 16 Nov 2024 | Montenegro v Iceland | W | 0-2 | UEFA Nations League | League B Group B4 |
| 19 Nov 2024 | Wales v Iceland | L | 4-1 | UEFA Nations League | League B Group B4 |
| 23 Mar 2025 | Iceland v Kosovo | L | 1-3 | UEFA Nations League | Play-off 2nd leg |
| 06 Jun 2025 | Scotland v Iceland | W | 1-3 | International Friendly | |
| 10 Jun 2025 | Northern Ireland v Iceland | L | 1-0 | International Friendly | |
| 31 May 2026 | Japan v Iceland | L | 1-0 | Kirin Challenge Cup | |
Please note: Match history is complete for the Premier and Football Leagues and (in most cases all) internationals.