Swimming at the 2004 Summer Paralympics – Men's 50 metre freestyle S5
The Men's 50 metre freestyle S5 swimming event at the 2004 Summer Paralympics was competed on 27 September. It was won by Sebastián Rodríguez, representing.;Heat 1
27 Sept. 2004, morning session
| Rank | Athlete | Time | Notes |
| 1 | | 36.54 | |
| 2 | | 36.64 | |
| 3 | | 38.29 | |
| 4 | | 42.17 | |
| 5 | | 42.99 | |
;Heat 2
27 Sept. 2004, morning session
| Rank | Athlete | Time | Notes |
| 1 | | 34.54 | |
| 2 | | 36.19 | |
| 3 | | 39.13 | |
| 4 | | 40.52 | |
| 5 | | 40.68 | |
27 Sept. 2004, evening session
| Rank | Athlete | Time | Notes |
| | 32.62 | WR |
| | 33.63 | |
| | 35.65 | |
| 4 | | 36.61 | |
| 5 | | 36.65 | |
| 6 | | 38.91 | |
| 7 | | 39.23 | |
| 8 | | 40.10 | |
