Swimming at the 2004 Summer Paralympics – Women's 50 metre butterfly S7
The Women's 50 metre butterfly S7 swimming event at the 2004 Summer Paralympics was competed on 25 September. It was won by Erin Popovich, representing.;Heat 1
25 Sept. 2004, morning session
| Rank | Athlete | Time | Notes |
| 1 | | 38.67 | |
| 2 | | 38.71 | |
| 3 | | 40.26 | |
| 4 | | 43.42 | |
| 5 | | 47.83 | |
| 6 | | 49.45 | |
;Heat 2
25 Sept. 2004, morning session
| Rank | Athlete | Time | Notes |
| 1 | | 38.88 | |
| 2 | | 39.03 | |
| 3 | | 40.63 | |
| 4 | | 41.18 | |
| 5 | | 43.99 | |
| 6 | | 48.56 | |
| 7 | | 48.73 | |
25 Sept. 2004, evening session
| Rank | Athlete | Time | Notes |
| | 37.37 | WR |
| | 37.47 | |
| | 38.30 | |
| 4 | | 38.33 | |
| 5 | | 38.99 | |
| 6 | | 39.63 | |
| 7 | | 39.97 | |
| 8 | | 41.61 | |
