The 2024 ASEAN Championship knockout stage (previously AFF Championship)[1] will be played from 26 December 2024 to 5 January 2025. A total of 4 teams will compete in the knockout stage to decide the champions of the 2024 ASEAN Championship.
All matchup ties will be played over two legs. The team that scores more goals on aggregate over the two legs wins the tie. If the goals on aggregate are still level, extra time is played, and if the same number of goals are scored by both teams during extra time, the tie is decided by a penalty shoot-out.