The men's 100m freestyle events at the 2023 World Para Swimming Championships were held at the Manchester Aquatics Centre between 31 July and 6 August.
[9][3][2] Eight swimmers entered this event, which proceeded straight to final on 1 August.
[13] 12 swimmers entered this event, with both heats and finals held on 6 August.
[13] The applicable records entering the men's 100m freestyle s7 were as follows:[13] The heats took place on Sun 6 Aug 2023 at 10:17.
[13] The applicable records entering the men's 100m freestyle S10 were as follows:[13] The heats took place on Sat 5 Aug 2023 at 11:42.