The men's 400 metres hurdles at the 2019 Asian Athletics Championships was held on 21 and 22 April.

Records +Records before the 2019 Asian Athletics Championships Record Athlete (nation) Location Date World record 46.78 Barcelona, Spain 6 August 1992 Asian record 46.98 Paris, France 30 June 2018 Championship record 48.67 Colombo, Sri Lanka 12 August 2002 World leading 48.80 Patiala, India 16 March 2019 Asian leading

Results Heats Qualification rule: First 3 in each heat (Q) and the next 2 fastest (q) qualified for the final.

Rank Heat Name Nationality Time Notes 1 2 Abderrahman Samba 49.57 Q, SB 2 1 Takatoshi Abe 49.63 Q 3 2 Chen Chieh 49.87 Q 4 2 Bassem Hemeida 49.98 Q, SB 5 2 Jabir Madari Pillyalil 50.15 q 6 1 Yu Chia-hsuan 50.22 Q, SB 7 2 Mahdi Pirjahan 50.32 q, NR 8 1 Mehboob Ali 50.40 Q, SB 9 2 Feng Zhiqiang 50.71 SB 10 2 Lim Chan-ho 50.94 11 1 Gong Debin 50.96 SB 12 1 Abdullah Rizqallah Mulayhi 51.15 13 2 Dmitriy Koblov 51.39 SB 14 1 Francis Medina 52.49 15 1 Alisher Pulotov 52.88 PB 16 2 Ow Yeong Wei Bin 54.14 17 1 Amor Ebed Abdalmujied 55.08 SB 18 1 Pipatporn Paungpi 55.18 SB

Final Rank Lane Name Nationality Time Notes 5 Abderrahman Samba 47.51 WL, CR 6 Chen Chieh 48.92 PB 3 Jabir Madari Pillyalil 49.13 PB 4 8 Bassem Hemeida 49.45 PB 5 7 Takatoshi Abe 49.74 6 2 Mahdi Pirjahan 50.18 NR 7 4 Yu Chia-hsuan 50.31 8 9 Mehboob Ali 50.94

References