The 2019–20 SV Darmstadt 98 season was the 122nd season in the football club's history and their 20th overall season in the second tier of German football, the 2. Bundesliga. It was the club's third consecutive season in the second division, since relegation from the Bundesliga in 2016-17.
Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply. Players may hold more than one non-FIFA nationality.