Mathias Tønnessen

Mathias Tønnessen
Personal information
Date of birth (2003-11-22) 22 November 2003[1]
Height 1.89 m (6 ft 2 in)[1]
Position Centre-back
Team information
Current team
 Tromsø
Number 3
Youth career
–2017 Skeid
2018–2022 KFUM Oslo
Senior career*
Years Team Apps (Gls)
2019–2023 KFUM Oslo 2 31 (6)
2022–2025 KFUM Oslo 62 (0)
2026– Tromsø 0 (0)
International career‡
2023 Norway U20 1 (0)
* Club domestic league appearances and goals as of 19 January 2026
‡ National team caps and goals as of 19 January 2026

Mathias Tønnessen (born 22 November 2003) is a Norwegian footballer who plays as a centre-back for Eliteserien side Tromsø.

Career

KFUM Oslo

Tønnessen came through Skeid's youth setup, before transferring to KFUM Oslo at the age of fifteen.[2] Although he played as a winger early in his career, he changed to playing as a centre-back in 2022.[3]

After playing the 2022 season almost exclusively in the Norwegian Fourth Division for KFUM's second team, first team head coach Johannes Moesgaard chose to move Tønnessen to the first team ahead of the 2023 season.[2] Here, Tønnessen would get his breakthrough, playing most of the games in the league that season, which ended with promotion for KFUM and Tønnessen.[4][5] In September 2023, Nettavisen had Tønnessen tenth on their list of the ten biggest talents in the Norwegian First Division.[6]

Tønnessen signed a new three-year contract with the club in January 2024 ahead of his first season in the Eliteserien.[7] Only five games into the 2024 season, in a game against Sarpsborg 08, Tønnessen sustained a meniscus injury, that would keep him out of play until December, when he was subbed on in the final game of the season.[8] After his injury the previous season, Tønnessen returned for the 2025 season, playing twenty-nine out of thirty games in the league.[4]

Tromsø

On 2 January 2026, Tromsø announced that they had signed Tønnessen, on a five-year deal.[9] The deal was reported to cost Tromsø around €1,100,000, setting a new transfer fee record for Tromsø.[10] Tromsø's interest went back several years, and a previous bid during the summer transfer window in 2023 had been rejected by KFUM Oslo.[11]

International career

In October 2023, Tønnessen was called up to the Norway U20 team for their games against Czechia and Romania.[12] He started the game against Romania, before being subbed off in the 82nd minute.[13]

Personal life

Tønnessen is the son of former Norwegian record holder in the triple jump, Lene Espegren Tønnessen. His father Espen Tønnessen was a coach in the same sport, working for Olympiatoppen.[3] Mathias Tønnessen is nicknamed "Tønna", literally "The Barrel", though derived from his name not from his slender stature.[14]

Career statistics

As of 19 January 2026[4]
Appearances and goals by club, season and competition
Club Season League National Cup Total
Division Apps Goals Apps Goals Apps Goals
KFUM Oslo 2 2019 4. divisjon 1 0 — 1 0
2021 4. divisjon 5 1 — 5 1
2022 4. divisjon 23 5 — 23 5
2023 3. divisjon 2 0 — 2 0
Total 31 6 — 31 6
KFUM Oslo 2022 1. divisjon 1 0 3 0 4 0
2023 1. divisjon 27 0 3 0 30 0
2024 Eliteserien 5 0 0 0 5 0
2025 Eliteserien 29 0 5 0 34 0
Total 62 0 11 0 73 0
Tromsø 2026 Eliteserien 0 0 0 0 0 0
Career total 93 6 11 0 104 6

References

  1. ^ a b "Mathias Tønnessen". Worldfootball. Retrieved 19 January 2026.
  2. ^ a b Byfuglien, Halvor (3 October 2023). "- Føler jeg har grepet muligheten bra" (in Norwegian). KFUM Oslo. Retrieved 19 January 2026.
  3. ^ a b Fredagsvik, Jarle (23 August 2023). "Mener større klubber ikke gjør jobben sin – om de ikke følger med på Mathias (20)" (in Norwegian). Nettavisen. Retrieved 19 January 2026.
  4. ^ a b c "Mathias Tønnessen". fotball.no (in Norwegian). NFF. Retrieved 19 January 2026.
  5. ^ Bucher, Jonas; Schjesvold, Fredrik (5 November 2023). "KFUM Oslos mirakelferd til Eliteserien: –⁠ Breddeklubb med toppfotball" (in Norwegian). VG. Retrieved 19 January 2026.
  6. ^ Austerheim, Daniel (23 September 2023). "Nettavisen kårer Obos-ligaens ti største talenter" (in Norwegian). Nettavisen. Retrieved 19 January 2026.
  7. ^ Byfuglien, Halvor (8 January 2024). "Tønna er med ut 2026" (in Norwegian). KFUM Oslo. Retrieved 19 January 2026.
  8. ^ Barbati, Noah (18 August 2024). "Ettertraktet av storklubber – så snudde det" (in Norwegian). TV2. Retrieved 19 January 2026.
  9. ^ Degerstrøm, Otine (2 January 2026). "- Gleder meg til å spille foran Forza Tromsø" (in Norwegian). Tromsø IL. Retrieved 19 January 2026.
  10. ^ Grindstein, Gunnar; Skoglund, Kari Anne (2 January 2026). "Bruker 36 millioner: Ellevill kjøpefest for Tromsø IL" (in Norwegian). NRK. Retrieved 19 January 2026.
  11. ^ Hanssen, Anders Mo (23 August 2023). "Slik tenker TIL etter storsalget: Skal ha lagt inn bud på Mathias (19)" (in Norwegian). Nordlys. Retrieved 19 January 2026.
  12. ^ Waagaard, Mari Stanisic (3 October 2023). "U20-tropp til privatlandskamper". fotball.no (in Norwegian). NFF. Retrieved 19 January 2026.
  13. ^ "Norge 5–0 Romania". fotball.no (in Norwegian). NFF. Retrieved 19 January 2026.
  14. ^ "Uka har vært et eventyr for Mathias (19) og KFUM". Nordstrands Blad (in Norwegian). 8 October 2023. Retrieved 19 January 2026.
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