The 2003 ASEAN Club Championship or the 2003 ACC was the first edition of the ASEAN Club Championship, an international association football competition between domestic champion clubs sides affiliated with the member associations of the ASEAN Football Federation. It was held at Indonesia. Invitee's East Bengal from India were crowned the inaugural champions. It was only time that a non ASEAN side had won the title. Originally, the championship was to be hosted by Vietnam.

Teams

Group stage

Group A

Group B

Group C

Group D

Knockout stage

Bracket

Quarter-finals

Semifinals

3rd place playoff

Final

Top scorers