[1] A total of 11 teams competed in the knockout stage to decide the champions of the 2023–24 AFC Cup.
Extra time and penalty shoot-out will be used to decide the winners if necessary (note that the away goals rule is abolished).
The draw for the Zonal finals and the Inter-zone play-off semi-finals was held on 28 December 2023, 14:00 MYT (UTC+8), at the AFC House in Kuala Lumpur, Malaysia.
[1] In the Zonal semi-finals, the four qualified teams from the West Asia Zone (Groups A–C) play in two ties, and the four qualified teams from the ASEAN Zone (Groups F–H) play in two ties, with the matchups and order of legs determined by the group stage draw and the identity of the best runners-up.
The two winners of ASEAN Zonal semi-finals play each other, with the host decided by draw.