[1] Twelve member associations of the ASEAN Football Federation competed in the tournament featuring three groups of four teams.

The planned 2020 and 2021 AFF U-16 Youth Championship were cancelled due to COVID-19 pandemic in Southeast Asia.

The following 12 teams from member associations of the ASEAN Football Federation entered the tournament.

On 15 July 2022, the Football Association of Indonesia (PSSI) officially announced the 2 venues for the tournament which was located in the Special Region of Yogyakarta.

[4] Indonesia (H) Malaysia Thailand Vietnam Timor-Leste Australia Laos Singapore Myanmar Cambodia Brunei Philippines The best runner-up team from three groups advanced to the knockout stage.