The 2001–02 UEFA Champions League was the 47th season of the UEFA Champions League, UEFA's premier club football tournament, and the 10th since its rebranding from the "European Champion Clubs' Cup" or "European Cup". The tournament was won by Real Madrid, who beat Bayer Leverkusen in the final to claim their ninth European Cup title. The final's winning goal was scored by Zinedine Zidane, with a left-footed volley from the edge of the penalty area into the top left corner.
A total of 72 teams participated in the 2001–02 Champions League, from 48 of 51 UEFA associations. Liechtenstein (who don't have their own league) as well as lowest-ranked associations (Andorra and San Marino) were not admitted.
Below is the qualification scheme for the 2001–02 UEFA Champions League:
Associations 1–3 each have four teams qualify
Associations 4–6 each have three teams qualify
Associations 7–15 each have two teams qualify
Associations 16–49 each have one team qualify (except Liechtenstein)
Since the title holders (Bayern Munich) qualified for the Champions League group stage through their domestic league, the group stage spot reserved for the title holders was vacated. The following changes to the default access list are made:
The champions of association 10 (Portugal) are promoted from the third qualifying round to the group stage.
The champions of association 16 (Austria) are promoted from the second qualifying round to the third qualifying round.
The champions of associations 27 and 28 (Cyprus and FR Yugoslavia) are promoted from the first qualifying round to the second qualifying round.
Teams entering in this round
Teams advancing from previous round
First qualifying round (20 teams)
20 champions from associations 29–49 (except Liechtenstein)
Second qualifying round (28 teams)
12 champions from associations 17–28
6 runners-up from associations 10–15
10 winners from the first qualifying round
Third qualifying round (32 teams)
6 champions from associations 11–16
3 runners-up from associations 7–9
6 third-place finishers from associations 1–6
3 fourth-place finishers from associations 1–3
14 winners from the second qualifying round
Group stage (32 teams)
10 champions from associations 1–10 (including title holders Bayern Munich)
Location of teams of the 2001–02 UEFA Champions League first group stage. Brown: Group A; Red: Group B; Orange: Group C; Yellow: Group D; Green: Group E; Blue: Group F; Purple: Group G; Pink: Group H.
16 winners from the third qualifying round, 10 champions from countries ranked 1–10, and six second-placed teams from countries ranked 1–6 were drawn into eight groups of four teams each. The top two teams in each group advance to the second group stage, and the third placed team in each group advance to the Third Round of the UEFA Cup.
Eight winners and eight runners-up from the first group stage were drawn into four groups of four teams each, each containing two group winners and two runners-up. Teams from the same country or from the same first round group could not be drawn together. The top two teams in each group advanced to the quarter-finals.