Juara Grup B: Malaysia
Juara Grup C: Vietnam
Runner Up Terbaik: Indonesia
Jadwal Semifinal Piala AFF U-23 2023
Semifinal 1
Malaysia vs Vietnam
Jadwal: Kamis, 24 Agustus 2023
Kick Off: Pkl 16.00 WIB
Venue: Rayong Province Stadium
Semifinal 2
Thailand vs Indonesia
Kamis, 24 Agustus 2023
Kick Off: Pkl 20.00 WIB
Venue: Rayong Province Stadium
Jadwal Final dan Perebutan Juara 3 Piala AFF U-23 2023
Perebutan Juara 3