The 2023–24 season was Eintracht Braunschweig's 129th season in existence and fourth consecutive in the 2. Bundesliga. They also competed in the DFB-Pokal.
Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply. Players may hold more than one non-FIFA nationality.
Source: DFB Rules for classification: 1) Points; 2) Goal difference; 3) Goals scored; 4) Head-to-head results; 5) Head-to-head away goals scored; 6) Away goals scored; 7) Play-off.[2] (Rules 4–6 only apply after home and away matches have been played between the tied teams.) (R) Relegated
^"Kader – Eintracht Braunschweig" [Squad – Eintracht Braunschweig]. eintracht.com (in German). Eintracht Braunschweig. Archived from the original on 29 July 2022. Retrieved 19 July 2022.