Swimming at the 2020 Summer Paralympics – Men's 100 metre freestyle S10

The men's 100 metre freestyle S10 event at the 2020 Paralympic Games took place on 28 August 2021, at the Tokyo Aquatics Centre. Ukraine's Maksym Krypak won the gold. The silver and bronze went to Australia's Rowan Cothers and Italy's Stefano Raimondi, respectively.

Heats
The swimmers with the top eight times, regardless of heat, advanced to the final.