The 1990–91 Asian Club Championship was the 10th edition of the annual Asian club football competition hosted by Asian Football Confederation. Representative clubs of 30 Asian countries played games in this tournament. Esteghlal FC from Iran won the final and became Asian champions for the second time. They are championed in 1970 as Taj.
Group stage
Group 1
Played in Baghdad, Iraq
Group 2
Esteghlal qualified 2–1 on aggregate.
Group 3 The Gulf Cooperation Council Club was cancelled due to the crisis in the region; the participants would have been Bahrain Club, Al-Arabi, Al-Nassr and Al-Sharjah, who all withdrew.
Group 4
Played in Quetta, Pakistan
Group 5
Played in Dhaka, Bangladesh
Group 6 Run parallel with ASEAN Club Championship
Played in Singapore
Group 7
Played in Pyongyang, North Korea
Quarter-finals Played in Dhaka, Bangladesh
Group A
Al Rasheed (Iraq) was dissolved and Iraqi clubs were suspended from Asian competitions shortly after due to the Gulf War. They were replaced by Al Ramtha (Jordan), who were disqualified for not paying the second round entry fee.
Group B
Knockout Stage Bracket
Semi-finals
Third Place
Final
Top scorer Samad Marfavi (6 goals)
References Asian Club Competitions 1991 at RSSSF.com