During the 2006–07 German football season, Bayer 04 Leverkusen competed in the Bundesliga.
Leverkusen repeated the previous season's fifth-placed finish, qualifying again for the UEFA Cup.
Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.
Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.
Players may hold more than one non-FIFA nationality.