The men's 50m freestyle events at the 2019 World Para Swimming Championships were held in the London Aquatics Centre at the Queen Elizabeth Olympic Park in London between 9–15 September.
[1] 17 swimmers from 14 nations took part.
[2] [3] 14 swimmers from 13 nations took part.
[4] [5] 16 swimmers from 12 nations took part.
[6] [7] 19 swimmers from 16 nations took part.