Jonas Therkelsen

Having played youth football for Fornebu, Stabæk and Strømsgodset, he made his debut in the Eliteserien for Strømsgodset on 1 October 2022 away against Vålerenga, appearing as a second-half substitute. He signed his first professional contract a week later. He made his first league start for the club against FK Bodo/Glimt on 13 November 2022. In 2023, he signed a new and improved three-year contract with the club. Over the course of the 2023 and 2024 seasons he made more than 60 senior appearances for Strømsgodset, with his usage coming primarily as a central midfielder, but having also on occasion played up front or out wide for the club. In September 2024, he signed a new three-year contract with the club. In June 2025, Therkelsen moved to Holstein Kiel in German 2. Bundesliga on a four-year contract.

Therkelsen made his debut for Norway U20 against Germany U20 in November 2022.