Mathias Olesen
| Date of birth | 21 March 2001 |
| Place of birth | Copenhagen, Denmark |
| Nationality | Luxembourg |
| Height | 1.88 m |
| Position | Defender/Midfielder |
International stats
| Season | Team | Competition | Apps | Subs | Goals | Y | R |
|---|---|---|---|---|---|---|---|
| 2021-22 | Luxembourg | FIFA World Cup | 1 |
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| 2021-22 | Luxembourg | International Friendly | 1 | 1 |
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| 2021-22 | Luxembourg | UEFA Nations League | 2 | 1 |
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| 2022-23 | Luxembourg | International Friendly | 3 |
1
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| 2022-23 | Luxembourg | UEFA European Championship | 2 | 2 |
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| 2023-24 | Luxembourg | International Friendly | 3 | ||||
| 2023-24 | Luxembourg | UEFA European Championship | 5 | 1 |
1 |
1
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| 2024-25 | Luxembourg | International Friendly | 1 | 1 |
1
|
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| 2024-25 | Luxembourg | UEFA Nations League | 5 | 1 |
1
|
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| 2025-26 | Luxembourg | FIFA World Cup | 6 | ||||
| 2025-26 | Luxembourg | International Friendly | 1 | ||||
| 2025-26 | Luxembourg | UEFA Nations League | 2 | 1 |
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 | |
|---|---|---|---|---|---|
| 11 Nov 2021 | Azerbaijan v Luxembourg | W | 1-3 | FIFA World Cup | Europe group A |
| 25 Mar 2022 | Luxembourg v Northern Ireland | L | 1-3 | International Friendly | |
| 29 Mar 2022 | Bosnia and Herzegovina v Luxembourg | L | 1-0 | International Friendly | |
| 04 Jun 2022 | Lithuania v Luxembourg | W | 0-2 | UEFA Nations League | League C Group C1 |
| 07 Jun 2022 | Faroe Islands v Luxembourg | W | 0-1 | UEFA Nations League | League C Group C1 |
| 11 Jun 2022 | Luxembourg v Turkey | L | 0-2 | UEFA Nations League | League C Group C1 |
| 17 Nov 2022 | Luxembourg v Hungary | D | 2-2 | International Friendly | |
| 20 Nov 2022 | Luxembourg v Bulgaria | D | 0-0 | International Friendly | |
| 23 Mar 2023 | Slovakia v Luxembourg | D | 0-0 | UEFA European Championship | Qualifying group J |
| 26 Mar 2023 | Luxembourg v Portugal | L | 0-6 | UEFA European Championship | Qualifying group J |
| 09 Jun 2023 | Luxembourg v Malta | L | 0-1 | International Friendly | |
| 17 Jun 2023 | Luxembourg v Liechtenstein | W | 2-0 | UEFA European Championship | Qualifying group J |
| 20 Jun 2023 | Bosnia and Herzegovina v Luxembourg | W | 0-2 | UEFA European Championship | Qualifying group J |
| 08 Sep 2023 | Luxembourg v Iceland | W | 3-1 | UEFA European Championship | Qualifying group J |
| 13 Oct 2023 | Iceland v Luxembourg | D | 1-1 | UEFA European Championship | Qualifying group J |
| 16 Oct 2023 | Luxembourg v Slovakia | L | 0-1 | UEFA European Championship | Qualifying group J |
| 16 Nov 2023 | Luxembourg v Bosnia and Herzegovina | W | 4-1 | UEFA European Championship | Qualifying group J |
| 19 Nov 2023 | Liechtenstein v Luxembourg | W | 0-1 | UEFA European Championship | Qualifying group J |
| 21 Mar 2024 | Georgia v Luxembourg | L | 2-0 | UEFA European Championship | Play-off semi-final Path C |
| 26 Mar 2024 | Luxembourg v Kazakhstan | W | 2-1 | International Friendly | |
| 05 Jun 2024 | France v Luxembourg | L | 3-0 | International Friendly | |
| 08 Jun 2024 | Belgium v Luxembourg | L | 3-0 | International Friendly | |
| 05 Sep 2024 | Northern Ireland v Luxembourg | L | 2-0 | UEFA Nations League | League C Group C3 |
| 08 Sep 2024 | Luxembourg v Belarus | L | 0-1 | UEFA Nations League | League C Group C3 |
| 12 Oct 2024 | Bulgaria v Luxembourg | D | 0-0 | UEFA Nations League | League C Group C3 |
| 15 Oct 2024 | Belarus v Luxembourg | D | 1-1 | UEFA Nations League | League C Group C3 |
| 15 Nov 2024 | Luxembourg v Bulgaria | L | 0-1 | UEFA Nations League | League C Group C3 |
| 18 Nov 2024 | Luxembourg v Northern Ireland | D | 2-2 | UEFA Nations League | League C Group C3 |
| 22 Mar 2025 | Luxembourg v Sweden | W | 1-0 | International Friendly | |
| 25 Mar 2025 | Switzerland v Luxembourg | L | 3-1 | International Friendly | |
| 04 Sep 2025 | Luxembourg v Northern Ireland | L | 1-3 | FIFA World Cup | Europe group A |
| 07 Sep 2025 | Luxembourg v Slovakia | L | 0-1 | FIFA World Cup | Europe group A |
| 10 Oct 2025 | Germany v Luxembourg | L | 4-0 | FIFA World Cup | Europe group A |
| 13 Oct 2025 | Slovakia v Luxembourg | L | 2-0 | FIFA World Cup | Europe group A |
| 14 Nov 2025 | Luxembourg v Germany | L | 0-2 | FIFA World Cup | Europe group A |
| 17 Nov 2025 | Northern Ireland v Luxembourg | L | 1-0 | FIFA World Cup | Europe group A |
| 26 Mar 2026 | Malta v Luxembourg | W | 0-2 | UEFA Nations League | Play-off 1st leg |
| 31 Mar 2026 | Luxembourg v Malta | W | 3-0 | UEFA Nations League | Play-off 2nd leg |
| 03 Jun 2026 | Luxembourg v Italy | - | International Friendly | ||
Please note: Match history is complete for the Premier and Football Leagues and (in most cases all) internationals.