In addition to the domestic league, Bayer Leverkusen also participated in this season's edition of the domestic cup, the DFB-Pokal.

The season covers 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.

Source: Bundesliga Last updated: 12 May 2018Source: Competitions