Carl Anders Theodor Starfelt (born 1 June 1995) is a Swedish professional footballer who plays as a centre-back for La Liga club Celta Vigo and the Sweden national team.

[6][7] He would be involved in a center-back partnership with fellow summer signing Cameron Carter-Vickers which helped Celtic win the 2021–22 Scottish Premiership title, as they finished with the best defensive record in the league that season.

[8][9][10] On 2 December 2021, Starfelt was given his first ever man of the match award for his performance in a 1–0 home win against Heart of Midlothian in the Scottish Premiership.

[15] On 2 November 2022, Starfelt made his UEFA Champions League debut against Real Madrid in a 5–1 defeat for Celtic at the Santiago Bernabéu.

[19] He made his full international debut on 8 October 2020 in a friendly game against Russia, playing all 90 minutes alongside Sebastian Holmén at centre-back in a 2–1 win for Sweden.