| Personal information | |||
|---|---|---|---|
| Date of birth | 27 February 1996 | ||
| Place of birth | Albertslund, Denmark | ||
| Height | 1.85 m (6 ft 1 in) | ||
| Position | Centre-back | ||
| Team information | |||
Current team | St. Pauli | ||
| Number | 6 | ||
| Youth career | |||
| –2015 | Copenhagen | ||
| Senior career* | |||
| Years | Team | Apps | (Gls) |
| 2015–2016 | Copenhagen | 4 | (0) |
| 2016–2018 | Halmstads BK | 67 | (6) |
| 2019–2020 | Falkenbergs FF | 43 | (3) |
| 2021–2023 | IK Sirius | 64 | (6) |
| 2023–2024 | SV Wehen Wiesbaden | 31 | (0) |
| 2024–2026 | 1. FC Magdeburg | 63 | (3) |
| 2026– | St. Pauli | 3 | (1) |
| International career | |||
| 2012 | Denmark U16 | 3 | (0) |
| 2012–2013 | Denmark U17 | 4 | (0) |
| 2013–2014 | Denmark U18 | 2 | (0) |
| 2015 | Denmark U19 | 5 | (0) |
| * Club domestic league appearances and goals as of 30 August 2026 | |||
Marcus Mathisen (born 27 February 1996) is a Danish professional footballer who plays as centre-back for German 2. Bundesliga club St. Pauli.
In the spring 2015, Mathisen trained with the F.C. Copenhagen first team and played several matches for the reserve team. He was in the squad for the 2015 Danish Cup Final, but remained on the bench for the whole match. Three days later, Mathisen made his first team debut, when he replaced Daniel Amartey in a 2–0 loss against FC Midtjylland.
Mathisen was permanently promoted to the first team squad on 13 July 2015.
On 20 November 2016, Mathisen scored two goals in the last play-off leg against Helsingborg at Olympia, which meant 3–2 on aggregate and advancement to 2017 Allsvenskan.
It was confirmed on 10 December 2018, that Mathisen had signed with Falkenbergs FF until 2020.
On 4 January 2021, Mathisen joined IK Sirius as a free-agent; he signed a contract until 2023.
On 26 June 2023, Mathisen moved on a free transfer to 2. Bundesliga club Wehen Wiesbaden.
On 26 June 2024, Mathisen joined 1. FC Magdeburg in 2. Bundesliga.
On 26 June 2026, Mathisen signed with St. Pauli.
| Club | Season | League | Cup | Other | Total | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| Division | Apps | Goals | Apps | Goals | Apps | Goals | Apps | Goals | ||
| Copenhagen | 2014–15 | Danish Superliga | 1 | 0 | — | 2 | 0 | 3 | 0 | |
| 2015–16 | Danish Superliga | 3 | 0 | — | — | 3 | 0 | |||
| Total | 4 | 0 | — | 2 | 0 | 6 | 0 | |||
| Halmstads BK | 2016 | Superettan | 12 | 2 | — | — | 14 | 2 | ||
| 2017 | Superettan | 28 | 2 | 3 | 2 | — | 31 | 4 | ||
| 2018 | Superettan | 27 | 4 | 2 | 0 | — | 29 | 4 | ||
| Total | 67 | 6 | 5 | 2 | — | 72 | 8 | |||
| Falkenbergs FF | 2019 | Allsvenskan | 18 | 1 | 1 | 0 | — | 19 | 1 | |
| 2020 | Allsvenskan | 25 | 2 | 3 | 0 | — | 28 | 2 | ||
| 2021 | Allsvenskan | 0 | 0 | 3 | 2 | — | 3 | 2 | ||
| Total | 43 | 3 | 7 | 2 | — | 50 | 5 | |||
| IK Sirius | 2021 | Allsvenskan | 27 | 2 | 3 | 1 | — | 30 | 3 | |
| 2022 | Allsvenskan | 25 | 3 | 3 | 0 | — | 28 | 3 | ||
| 2023 | Allsvenskan | 12 | 1 | 3 | 2 | — | 15 | 3 | ||
| Total | 64 | 6 | 9 | 2 | — | 73 | 8 | |||
| SV Wehen Wiesbaden | 2023–24 | 2. Bundesliga | 33 | 0 | 1 | 0 | — | 34 | 0 | |
| 1. FC Magdeburg | 2024–25 | 2. Bundesliga | 30 | 3 | 1 | 0 | — | 31 | 3 | |
| 2025–26 | 2. Bundesliga | 33 | 0 | 2 | 1 | — | 35 | 1 | ||
| Total | 63 | 3 | 3 | 1 | — | 66 | 4 | |||
| FC St. Pauli | 2026–27 | 2. Bundesliga | 3 | 1 | 1 | 0 | — | 4 | 1 | |
| Career total | 277 | 21 | 26 | 8 | 2 | 0 | 305 | 29 | ||
Copenhagen