The 2019–20 TSG 1899 Hoffenheim season was the club's 121st season in existence and the club's 12th consecutive season in the top flight of German football. In addition to the domestic league, TSG 1899 Hoffenheim participated in that season's edition of the DFB-Pokal. The season covered the period from 1 July 2019 to 30 June 2020.
Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply. Players may hold more than one non-FIFA nationality.
Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply. Players may hold more than one non-FIFA nationality.
^ abSince the winners of the 2019–20 DFB-Pokal, Bayern Munich, qualified for the Champions League based on league position, the Europa League group stage spot was passed to the sixth-placed team, and the Europa League second qualifying round spot was passed to the seventh-placed team.
^"Esser kommt ablösefrei zur TSG" [Esser comes to TSG on a free transfer]. achtzehn99.de (in German). TSG 1899 Hoffenheim. 14 January 2020. Retrieved 28 May 2020.