Swimming at the 2012 Summer Paralympics – Women's 50 metre freestyle S3
# Swimming at the 2012 Summer Paralympics – Women's 50 metre freestyle S3

The women's 50 metre freestyle S3 event at the 2012 Paralympic Games took place on 7 September, at the London Aquatics Centre.

Two heats were held, one with four swimmers and one with five swimmers. The swimmers with the eight fastest times advance to the finals.

## Heats

| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| - | - | - | - | - | - | - |
| 1 | 2 | 4 | Olga Sviderska | Ukraine | 48.64 | Q |
| 2 | 1 | 4 | Jiangbo Xia | China | 52.73 | Q |
| 3 | 2 | 5 | Patricia Valle | Mexico | 59.04 | Q |
| 4 | 1 | 5 | Pin Xiu Yip | Singapore | 1:00.52 | Q |
| 5 | 2 | 3 | Semicha Rizaoglou | Greece | 1:05.02 | Q |
| 6 | 1 | 3 | Annke Conradi | Germany | 1:05.51 | Q |
| 7 | 2 | 6 | Haideé Aceves | Mexico | 1:07.89 | Q |
| 8 | 1 | 6 | Vera Thamm | Germany | 1:10.90 | Q |
| 9 | 2 | 2 | Esther Overton | Australia | 1:12.24 | |

## Final

| Rank | Lane | Name | Nationality | Time | Notes |
| - | - | - | - | - | - |
| | 5 | Jiangbo Xia | China | 48.11 | WR |
| | 4 | Olga Sviderska | Ukraine | 48.39 | EU |
| | 3 | Patricia Valle | Mexico | 55.74 | AM |
| 4 | 6 | Pin Xiu Yip | Singapore | 1:01.64 | |
| 5 | 2 | Semicha Rizaoglou | Greece | 1:08.56 | |
| 6 | 1 | Haideé Aceves | Mexico | 1:09.99 | |
| 7 | 7 | Annke Conradi | Germany | 1:10.38 | |
| 8 | 8 | Vera Thamm | Germany | 1:17.04 | |
