Leon Klassen

Leon Klassen (; born 29 May 2000) is a professional footballer who plays as a left-back for Austrian Football Bundesliga club Grazer AK. Born in Germany, he has represented Russia at various youth levels.

Career Klassen made his professional debut in the 3. Liga for 1860 Munich on 31 July 2019, coming on as a substitute in the 87th minute for Benjamin Kindsvater against FSV Zwickau. He assisted Herbert Paul for Munich's third goal, with the match finishing as a 3–0 home win.

On 27 May 2021, he signed with WSG Tirol in Austria.

On 30 December 2021, he signed a 3.5-year contract with Russian Premier League club FC Spartak Moscow. Klassen left Spartak by mutual consent on 27 June 2024.

On 29 August 2024, Klassen signed a two-year contract with Lyngby in Denmark.

Klassen joined SV Darmstadt on 21 June 2025. On 20 January 2026, he was loaned by Grazer AK in Austria.

On 9 July 2026, Klassen returned to Grazer AK on a permanent basis and signed a three-year contract with the club.

International career Klassen was born in Germany to a Russian parents; his mother is of German descent. He is a youth international for Russia.

Career statistics

Honours TSV 1860 Munich Regionalliga Bayern: 2017–18 Bavarian Cup: 2020

Spartak Moscow Russian Cup: 2021–22