West Region:
United Arab Emirates Al-Ahli
United Arab Emirates Al-Jazira
United Arab Emirates Al-Ain
Saudi Arabia Al-Ahli
Saudi Arabia Al-Hilal
Saudi Arabia Al-Taawoun
Iran Esteghlal Khuzestan
Iran Zob Ahan
Iran Persepolis
Qatar Al-Rayyan
Qatar Lekhwiya 2016
Uzbekistan Lokomotiv Tashkent
Al-Wahda
Saudi Arabia Al-Fateh
Iran Esteghlal
Qatar El Jaish
Qatar Al-Sadd
Uzbekistan Bunyodkor
Nasaf Qarshi
Jordan Al-Wehdat
India Bengaluru FC
Bahrain Al-Hidd

East:
FC Seoul
South Korea Suwon Samsung Bluewings
South Korea Jeju United
Japan Kashima Antlers
Japan Urawa Red Diamonds
Japan Kawasaki Frontale
China Guangzhou Evergrande
2016 Chinese FA Cup winners
China Jiangsu Suning
Australia Adelaide United
Australia Western Sydney Wanderers
Thailand Muangthong United
Hong Kong Eastern
Ulsan Hyundai
Japan Gamba Osaka
China Shanghai SIPG
China Shanghai Shenhua
Brisbane Roar
Thailand Sukhothai
Thailand Bangkok United
Hong Kong Kitchee
Malaysia Johor Darul Ta'zim
Myanmar Yadanarbon
Global
Singapore Tampines Rovers