Swimming at the 2012 Summer Paralympics – Women's 100 metre freestyle S3
# Swimming at the 2012 Summer Paralympics – Women's 100 metre freestyle S3

The women's 100 metre freestyle S3 event at the 2012 Paralympic Games took place on 3 September, at the London Aquatics Centre.

Two heats were held, one with five swimmers and one with six competitors. The swimmers with the eight fastest times advanced to the final.

## Heats

| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| - | - | - | - | - | - | - |
| 1 | 2 | 4 | Olga Sviderska | Ukraine | 1:45.34 | Q, WR |
| 2 | 1 | 4 | Xia Jiangbo | China | 1:49.01 | Q |
| 3 | 2 | 5 | Patricia Valle | Mexico | 2:07.22 | Q |
| 4 | 1 | 5 | Yip Pin Xiu | Singapore | 2:09.74 | Q |
| 5 | 2 | 3 | Semicha Rizaoglou | Greece | 2:17.82 | Q |
| 6 | 1 | 3 | Annke Conradi | Germany | 2:24.12 | Q |
| 7 | 2 | 2 | Haideé Aceves | Mexico | 2:28.16 | Q |
| 8 | 1 | 6 | Iryna Sotska | Ukraine | 2:30.85 | Q |
| 9 | 1 | 2 | Vera Thamm | Germany | 2:34.63 | |
| 10 | 2 | 6 | Ganna Ielisavetska | Ukraine | 2:37.85 | |
| 11 | 2 | 7 | Maria Kalpakidou | Greece | 2:54.88 | |

## Final

| Rank | Lane | Name | Nationality | Time | Notes |
| - | - | - | - | - | - |
| | 5 | Xia Jiangbo | China | 1:44.32 | WR |
| | 4 | Olga Sviderska | Ukraine | 1:52.91 | |
| | 3 | Patricia Valle | Mexico | 1:59.76 | AM |
| 4 | 6 | Yip Pin Xiu | Singapore | 2:09.41 | |
| 5 | 2 | Semicha Rizaoglou | Greece | 2:19.92 | |
| 6 | 7 | Annke Conradi | Germany | 2:21.92 | |
| 7 | 1 | Haideé Aceves | Mexico | 2:28.96 | |
| 8 | 8 | Iryna Sotska | Ukraine | 2:35.66 | |
