Swimming at the 2020 Summer Paralympics was held at the Tokyo Aquatics Centre.

Swimming is the second largest sport: behind athletics and ahead of table tennis.

[1] The 2020 Summer Olympic and Paralympic Games were postponed to 2021 due to the COVID-19 pandemic.

[2][3] Qualification starts from 1 October 2018 and finishes on 1 August 2021.

[4] There are three swimming sport class prefixes for swimming strokes: As well as swimming strokes, they are also divided into ten different categories:[5] For relay races, the sum of their individual swimmers' classes must not exceed the stated points total.