Below are the squads for the 1998 AFF Championship, hosted by Vietnam, which took place between 26 August and 5 September 1998. The players' listed age is their age on the tournament's opening day (26 August 1998).
Group A
Thailand Coach: Withaya Laohakul
Indonesia Coach: Rusdy Bahalwan
Myanmar Coach: Aye Maung
Philippines Coach: Juan Cutillas
Group B
Singapore Coach: Barry Whitbread
Vietnam Coach: Alfred Riedl
Malaysia Coach: Hatem Souisi
Laos Head coach: Songphu Phongsa
References Courtney, Barrie. "ASEAN ("Tiger") Cup 1998 (Vietnam) Details". RSSSF.