The 2002–03 AFC Champions League was the twenty-second edition of Asia's premier football competition organised by the Asian Football Confederation, and the first edition under the AFC Champions League title.
Qualification Round
First qualifying round Second qualifying round Third qualifying round Fourth qualifying round ==Group stage==
Group stage
Group A ---- ---- Group B ---- ---- Group C ---- ---- Group D ---- ---- ==Knockout stage==
Knockout stage
Bracket Semi-finals Matches BEC Tero Sasana won 3–2 on aggregate. ---- Al-Ain won 7–6 on aggregate. Final Matches Al-Ain won 2–1 on aggregate. ==Top scorers==