Swimming at the 2004 Summer Paralympics – Men's 50 metre backstroke S5
The Men's 50 metre backstroke S5 swimming event at the 2004 Summer Paralympics was competed on 20 September. It was won by He Junquan, representing.;Heat 1
20 Sept. 2004, morning session
| Rank | Athlete | Time | Notes |
| 1 | | 39.74 | |
| 2 | | 43.05 | |
| 3 | | 43.60 | |
| 4 | | 44.47 | |
;Heat 2
20 Sept. 2004, morning session
| Rank | Athlete | Time | Notes |
| 1 | | 36.75 | WR |
| 2 | | 40.86 | |
| 3 | | 43.13 | |
| 4 | | 43.65 | |
| 5 | | 49.31 | |
20 Sept. 2004, evening session
| Rank | Athlete | Time | Notes |
| | 37.53 | |
| | 40.14 | |
| | 40.49 | |
| 4 | | 42.67 | |
| 5 | | 42.78 | |
| 6 | | 43.13 | |
| 7 | | 43.45 | |
| 8 | | 43.50 | |
