See main article: 2018 Hassanal Bolkiah Trophy. This article lists the team squads of the 2018 Hassanal Bolkiah Trophy. As per tournament regulations, players must be born either on or after 1 January 1997 to be eligible, but each nation is allowed no more than three senior players in their delegation. These players are marked with an asterisk (*).
Those marked in bold have been capped at full International level.
Head coach: Mario Rivera Campesino[1]
Head coach: Kyi Lwin
Head coach: Ithsara Sritharo
Head coach: Eduardo Pereira
Head coach: Prak Sovannara
Head coach: Mehmet Fatih Kale
Head coach: Fandi Ahmad