The 2017–18 Hertha BSC season was the 126th season in the football club's history and 5th consecutive and 35th overall season in the top flight of German football, the Bundesliga, having been promoted from the 2.

In addition to the domestic league, Hertha BSC also participated in this season's editions of the domestic cup, the DFB-Pokal, and the second-tier continental cup, the UEFA Europa League.

The season covered a period from 1 July 2017 to 30 June 2018.

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

Players may hold more than one non-FIFA nationality.