Below are the squads for the 2023 AFF U-23 Championship, which took place between 17 August 2023 to 26 August 2023.
Ten national teams affiliated with the ASEAN Football Federation (AFF) and participating in this tournament were required to register a squad containing up to 23 players, including three goalkeepers. Only the players from the following squad list were allowed to appear in this tournament.
Head coach: Issara Sritaro
Head coach: Félix Dalmás
Head coach: Michael Feichtenbeiner
Head coach: Atsushi Hanita
Head coach: Park Soon-tae
Head coach: E. Elavarasan
Head coach: Shin Tae-yong
Head coach: Hoàng Anh Tuấn
Head coach: Christopher Pedimonte
Head coach: Guglielmo Arena