| Tourney Name: | Asian Club Championship |
| Year: | 1989–1990 |
| Dates: | 10 June 1989 – 29 April 1990 |
| Num Teams: | 27 |
| Champion Other: |  Liaoning |
| Count: | 1 |
| Second Other: |  Nissan Yokohama |
| Matches: | 59 |
| Goals: | 178 |
| Prevseason: | 1988–89 |
| Nextseason: | 1990–91 |
The 1989–90 Asian Club Championship was the 9th edition of the annual Asian club football competition hosted by Asian Football Confederation.
Liaoning of China won the final; both the club and the country became Asian champions for the first time.
Also for Gulf Cooperation Council Club Tournament hosted in Bahrain
Playoff for first place
Played in Muscat, Oman
Al Deffatain, Muharraq Club and Al Arabi all withdrew