Competition
Qualification
Organizer
Asian Football Confederation (AFC)
Titleholder
Teams
Al Ahed FC
Al Ahed
Al Ansar SC
Al Ansar
Al-Faisaly SC
Al-Faisaly
Al-Jaish SC
Al-Jaish
Al-Jazeera Club
Al-Jazeera
Al-Wathba SC
Al-Wathba
Bali United
Bali Utd
Bashundhara Kings
Bashundhara
Ceres–Negros
Ceres
Chennai City FC
Chennai C.
Dhofar Club
Dhofar
FC Istiklol
Istiklol
FC Khujand
Khujand
Hilal Al-Quds Club
H. Al-Quds
Hồ Chí Minh City
HCMC
Hougang United
Hougang Utd
Kaya–Iloilo
Kaya–Iloilo
Kuwait SC
Kuwait SC
Lao Toyota FC
Lao Toyota
Manama Club
Manama
Maziya S&RC
Maziya
PKR Svay Rieng
S. Rieng
PSM Makassar
PSM
Qadsia SC
Qadsia
Riffa Club
Riffa
Shan United FC
Shan Utd
Tampines Rovers
T. Rovers
TC Sports Club
TC Sports
Than Quảng Ninh
Quảng Ninh
Yangon United FC
Yangon Utd