Mark Sykes
| Date of birth | 04 August 1997 |
| Place of birth | Belfast, Northern Ireland |
| Nationality | Irish |
| Weight | 68 kg |
| Height | 1.82 m |
| Position | Midfielder |
Having represented Northern Ireland up to Under-21 level, Mark Sykes switched his international allegiance to the Republic of Ireland in August 2020.
| Season | Team | Competition | Apps | Subs | Goals | Y | R |
|---|---|---|---|---|---|---|---|
| 2022-23 | Republic of Ireland | International Friendly | 1 |
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| 2023-24 | Republic of Ireland | International Friendly | 1 | 2 |
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| 2023-24 | Republic of Ireland | UEFA European Championship | 1 |
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| 2024-25 | Republic of Ireland | UEFA Nations League | 2 |
Please note: Career stats are based on performances in the Premier and Football Leagues and (in most cases all) internationals.
| Date | Match | Result | Competition | Round | |
|---|---|---|---|---|---|
| 20 Nov 2022 | Malta v Republic of Ireland | W | 0-1 | International Friendly | |
| 16 Oct 2023 | Gibraltar v Republic of Ireland | W | 0-4 | UEFA European Championship | Qualifying group B |
| 21 Nov 2023 | Republic of Ireland v New Zealand | D | 1-1 | International Friendly | |
| 26 Mar 2024 | Republic of Ireland v Switzerland | L | 0-1 | International Friendly | |
| 11 Jun 2024 | Portugal v Republic of Ireland | L | 3-0 | International Friendly | |
| 20 Mar 2025 | Bulgaria v Republic of Ireland | W | 1-2 | UEFA Nations League | Play-off 1st leg |
| 23 Mar 2025 | Republic of Ireland v Bulgaria | W | 2-1 | UEFA Nations League | Play-off 2nd leg |
Please note: Match history is complete for the Premier and Football Leagues and (in most cases all) internationals.