Swimming at the 2016 Summer Paralympics – Women's 50 metre backstroke S5
The women's 50 metre backstroke S5 event at the 2016 Paralympic Games took place on 16 September 2016, at the Olympic Aquatics Stadium. Two heats were held. The swimmers with the eight fastest times advanced to the final.Heats
11:24 16 September 2016:
| Rank | Lane | Name | Nationality | Time | Notes |
| 1 | 4 | | | 44.49 | ' |
| 2 | 6 | | | 46.74 | ' |
| 3 | 3 | | | 50.93 | |
| 4 | 5 | | | 52.52 | |
| 5 | 2 | | | 54.68 | |
| 6 | 7 | | | 1:03.12 | |
Heat 2
11:28 16 September 2016:
| Rank | Lane | Name | Nationality | Time | Notes |
| 1 | 4 | | | 44.48 | ' |
| 2 | 6 | | | 48.30 | ' |
| 3 | 3 | | | 48.65 | ' |
| 4 | 5 | | | 49.37 | ' |
| 5 | 2 | | | 50.36 | |
Final
19:58 16 September 2016:
| Rank | Lane | Name | Nationality | Time | Notes |
| 4 | | | 43.03 | |
| 5 | | | 44.51 | |
| 7 | | | 45.40 | |
| 4 | 6 | | | 47.07 | |
| 5 | 3 | | | 47.63 | |
| 6 | 2 | | | 47.95 | |
| 7 | 8 | | | 49.23 | |
| 8 | 1 | | | 50.41 | |
