FC Köln participated in this season's edition of the domestic cup, the DFB-Pokal.

This was the 72nd season for Köln in the Müngersdorfer Stadion, located in Cologne, North Rhine-Westphalia, Germany.

Achim Beierlorzer was sacked on 9 November 2019 after posting a 2–1–8 record in the first eleven matches of the season, sitting in 17th place in the Bundesliga.

He was replaced by former Hamburger SV manager Markus Gisdol on 18 November 2019.

Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.