Philipp Köhn

RB Leipzig

On 23 February 2017, RB Leipzig's sporting director Ralf Rangnick announced that Köhn would sign with the club as soon as his contract with VfB Stuttgart expires in the summer. On 4 June 2017, Köhn signed a four-year deal keeping him at the German club until June 2021. He didn't make any appearances for the club.

Red Bull Salzburg

On 6 July 2018, Red Bull Salzburg announced that they had signed Köhn from RB Leipzig, their unofficial sister club, on a four-year contract. Since FC Liefering is Salzburg's feeder team, he was eligible to play for both clubs as a cooperation player. During the 2019–20 pre-season friendly, Köhn played in a football match between Salzburg and Chelsea in the Red Bull Arena, replacing Cican Stankovic at half-time. He conceded two goals from Pedro and Michy Batshuayi as the match ended in a 5–3 loss. He featured for Liefering twelve times.

Loan to Wil and return to Salzburg

On 29 July 2020, he went to Swiss side Wil on loan. After 33 matches in all competitions, he returned to Salzburg. In the 2021–22 season, he became the starting goalkeeper at Salzburg ahead of Nico Mantl, in which he played in the Champions League, as his club managed to reach the round of 16. He also achieved the domestic double under coach Matthias Jaissle. In the 2022–23 season, he won his second domestic league title in a row and third in total, and was voted as "Best Goalkeeper of the Season".

Monaco

On 15 July 2023, Köhn…

Germany

Köhn has represented Germany from under-15 to under-18 age groups, before switching his allegiance to Switzerland. He has been playing for Switzerland from under-19.

Switzerland

Köhn also featured for Switzerland under-20 and under-21 teams. In November 2022, he was named in the senior team's 2022 FIFA World Cup roster.

As of match played 6 March 2026

He was born in Dinslaken, North Rhine-Westphalia, Germany to a German father and a Swiss mother from Lausanne.