2023 World Para Swimming Championships – Women's 400 metre freestyle

The women's 400m freestyle events at the 2023 World Para Swimming Championships will be held at the Manchester Aquatics Centre between 31 July and 6 August.

S7
Five swimmers entered this event. A straight final was held on the evening of 1 August.

Entering the event, the applicable records were the following


 * Final

S8
11 swimmers entered the event. Heats and final were both held in Monday 31 July.

Entering the event, the applicable records were the following


 * Heats


 * Final

S10
14 swimmers entered the event. Heats and final were both held in 2 August.

Entering the event, the applicable records were the following


 * Heats

Aurélie Rivard withdrew from the final and was replaced by Gabriella Smith
 * Final