Frederik Roslyng

Frederik Roslyng Christiansen is a Danish professional footballer who plays as a centre-back for 2. Bundesliga club Holstein Kiel. He is a Denmark youth international.

Club career

Roslyng made his professional debut at the age of 17 with AC Horsens.
In August 2025 he joined German club Holstein Kiel, which had been relegated from the Bundesliga to the 2. Bundesliga the previous season, signing a contract until June 2029. The transfer fee paid to Horsens was reported as €1.2 million.

International career

Roslyng has appeared for the Denmark U19 and Denmark U20 national teams.

Personal life

Roslyng's parents Lars Christiansen and Christina Roslyng are former handball players. He was born in Flensburg, 7 kilometres from the Danish border, when his father Lars was playing for German side SG Flensburg-Handewitt.