The 2009–10 CEV Champions League was the 51st edition of the highest level European volleyball club competition organised by the European Volleyball Confederation.

The 1st – 2nd ranked will qualify for the Playoffs 12.

The organizer of the Final Four will be determined after the end of the League Round and qualifies directly for the Final Four.

The four next 3rd ranked teams move to CEV Cup.

The remaining teams are eliminated.