Carl Axel Sjöberg (born 14 April 2000) is a Swedish professional footballer who plays as a right-back for League of Ireland Premier Division club St Patrick's Athletic.

[5] On 5 August 2020, Sjöberg signed a one-and-a-half-year contract with Hammarby IF, although still being eligible to play for affiliated club IK Frej.

[1][2][3] On 30 May 2021, Sjöberg won the 2020–21 Svenska Cupen, the main domestic cup, with Hammarby IF, through a 5–4 win on penalties (0–0 after full-time) against BK Häcken in the final.

[15] On 26 May 2023, Sjöberg picked up an injury in a 2–1 win over Dundalk that would keep him out of action for several months, missing his club's UEFA Europa Conference League campaign in the process.

[18][19] On 25 July 2024, Sjöberg made his first European appearance of his career, in a 3–1 win at home to Vaduz of Liechtenstein in the UEFA Conference League.