2018 AFF Championship Group B

Group B was one of the two groups of the 2018 AFF Championship. It consisted of Thailand, Indonesia, the Philippines, Singapore and qualification round winners Timor-Leste. The matches were played from 9 to 25 November 2018.

Group standings
In the semi-finals:
 * Thailand advanced to play against Malaysia (runners-up of Group A).
 * Philippines advanced to play against Vietnam (winners of Group A).