2023 Asian Athletics Championships – Women's 400 metres

The women's 400 metres event at the 2023 Asian Athletics Championships was held on 12 and 13 July.

In April 2024, it was revealed that silver medallist Fairda Soliyeva of Uzbekistan failed a test for meldonium, disqualifying her from the competition.

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