2004–05 R.S.C. Anderlecht season

Anderlecht were unable to defend their title and finished three points behind champions Club Brugge in second.

The club had a poor run in the Champions League, losing all six of their games in the group stage.

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

Players may hold more than one non-FIFA nationality.

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