Casper Ludvig Widell (born 5 May 2003) is a Swedish professional footballer who plays as a centre-back for Eerste Divisie club Excelsior and the Sweden under-21 national team.

Born in Landskrona, in the Swedish province of Scania, Widell started playing football as a child in the local club IK Wormo,[1][2] together with his brother Melker (who later joined the youth sector of Malmö FF).

[1][2] After featuring in the 2018 edition of the Gothia Cup with his team,[1] Widell quickly rose through the youth ranks of Helsingborg’s academy: while being a regular for the U17 side, in 2019 he was selected for the U19 squad despite his younger age.

[2] At the start of 2020, following his impressive performances at academy level and injuries occurred to several members of the senior squad, Widell was invited by head coach Olof Mellberg to join training sessions with the first team, ending up featuring in the second half of a pre-season friendly against Danish side Lyngby BK.

[2][3] He has an older brother, named Melker (born 19 April 2002), who is also a footballer and currently plays for Aalborg Boldspilklub in the danish first division.