The 2018–19 season was the 121st season in the history of SV Darmstadt 98 and their 19th overall season in the second tier of German football, the 2.

It was the club's second 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.

Last updated: 3 February 2018.