The List of top-division football clubs in Asian Football Confederation (AFC) countries. The Asian Football Confederation (AFC) includes all countries within the Asian territory as members, except Abkhazia, Armenia, Artsakh, Azerbaijan, Chagos Islands, Christmas Island, Cocos Islands, Cyprus, Northern Cyprus, Egypt, Georgia, Israel, Kazakhstan, Russia, South Ossetia and Turkey, as most of them are affiliated with another confederation, or none at all. The AFC also includes as members the Oceanian countries of Australia, Guam, and the Northern Mariana Islands.
Each of the AFC member countries have their own football league systems. The clubs playing in each top-level league compete for the title as the country's club champions, and also for places in next season's AFC club competitions: the AFC Champions League, the AFC Cup. Due to promotion and relegation, the clubs playing in the top-level league are different every season; however, some league systems (such as Australia) do not have promotion and relegation.
The champions of the previous season in each country are listed in bold.
'Some clubs play in a national football league other than their own country's. Where this is the case the club is noted as such. In particular, the Australian A-League includes a team from New Zealand, whose national federation is a member of the Oceania Football Confederation.
- For clubs playing at lower divisions, see List of second division football clubs in AFC countries.
- For clubs belonging to any of the other five continental football confederations of the world, see List of association football clubs.
| Club name | Club finished the previous season as league champions. |
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