Swimming at the 2020 Summer Paralympics – Men's 50 metre freestyle S4
# Swimming at the 2020 Summer Paralympics – Men's 50 metre freestyle S4

The men's 50 metre freestyle S4 event at the 2020 Paralympic Games took place on 2 September 2021, at the Tokyo Aquatics Centre.

## Heats

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

| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| - | - | - | - | - | - | - |
| 1 | 2 | 4 | Takayuki Suzuki | Japan | 38.25 | Q |
| 2 | 3 | 4 | Ami Omer Dadaon | Israel | 38.42 | Q |
| 3 | 1 | 4 | Luigi Beggiato | Italy | 38.76 | Q |
| 4 | 2 | 6 | Ángel de Jesús Camacho Ramírez | Mexico | 39.74 | Q |
| 5 | 3 | 6 | Liu Benying | China | 39.98 | Q |
| 6 | 2 | 3 | Ariel Malyar | Israel | 40.48 | Q |
| 7 | 1 | 6 | Arnošt Petráček | Czech Republic | 40.64 | Q |
| 8 | 3 | 3 | Eric Tobera | Brazil | 41.34 | Q |
| 9 | 2 | 5 | Jo Giseong | South Korea | 41.78 | |
| 10 | 2 | 2 | Ronystony Cordeiro | Brazil | 41.91 | |
| 11 | 3 | 5 | Roman Zhdanov | RPC | 42.18 | |
| 12 | 1 | 3 | David Smétanine | France | 42.68 | |
| 13 | 3 | 2 | Gustavo Sánchez Martínez | Mexico | 42.89 | |
| 14 | 1 | 5 | Matz Topkin | Estonia | 43.91 | |
| 15 | 1 | 2 | Andreas Ernhofer | Austria | 45.10 | |
| 16 | 3 | 7 | Lyndon Longhorne | Great Britain | 45.78 | |
| 17 | 2 | 7 | Tomi Brajša | Croatia | 48.33 | |

## Final

50m freestyle final :

| Rank | Lane | Name | Nationality | Time | Notes |
| - | - | - | - | - | - |
