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

The men's 400m freestyle events at the 2023 World Para Swimming Championships were held at the Manchester Aquatics Centre between 31 July and 6 August. 57 swimmers competed across seven classifications; S6, S7, S8, S9, S10, S11 and S13.

S6
Six swimmers entered the event. A straight final was held on Thursday 3 August.


 * Final

S7
Six swimmers entered the event. A straight final was held on Tuesday 1 August.


 * Final

S8
Eight swimmers entered the event. A straight final was held on Monday 31 July.


 * Final

S9
9 swimmers took part in this event, with both the heats and final on Friday 4 August.


 * Heats


 * Final

S10
Seven swimmers entered the event. A straight final was held on Wednesday 2 August.


 * Final

S11
8 swimmers took part in this event, with both the heats and final on Sunday 6 August.


 * Heats


 * Final

S13
11 swimmers took part in this event, with both the heats and final on Saturday 5 August.


 * Heats


 * Final