| Event: | Men's 50 metre freestyle S5 |
| Games: | 2012 Summer |
| Venue: | London Aquatics Centre |
| Dates: | 30 August |
| Competitors: | 16 |
| Nations: | 12 |
| Gold: | Daniel Dias |
| Goldnpc: | BRA |
| Silver: | Sebastián Rodríguez |
| Silvernpc: | ESP |
| Bronze: | Roy Perkins |
| Bronzenpc: | USA |
The men's 50 metre freestyle S5 event at the 2012 Paralympic Games took place on 30 August, at the London Aquatics Centre.
Two heats were held, each with eight swimmers. The swimmers with the eight fastest times advanced to the final.
| Rank | Lane | Name | Nationality | Time | Notes |
|---|---|---|---|---|---|
| 1 | 4 | Sebastián Rodríguez | 33.80 | Q | |
| 2 | 5 | Dmytro Kryzhanovskyy | 34.85 | Q | |
| 3 | 3 | Thanh Tung Vo | 35.43 | Q | |
| 4 | 2 | James Scully | 38.18 | ||
| 5 | 6 | Jamery Siga | 39.08 | ||
| 6 | 1 | Zsolt Vereczkei | 39.46 | ||
| 7 | 8 | Jonas Larsen | 40.48 | ||
| 8 | 7 | Zul Amirul Sidi Bin Abdullah | 43.30 | ||
| Rank | Lane | Name | Nationality | Time | Notes |
|---|---|---|---|---|---|
| 1 | 4 | Daniel Dias | 33.02 | Q | |
| 2 | 5 | Roy Perkins | 34.16 | Q | |
| 3 | 6 | Clodoaldo Silva | 35.23 | Q | |
| 4 | 3 | Anthony Stephens | 35.59 | Q | |
| 5 | 7 | Andrew Mullen | 37.40 | Q | |
| 6 | 2 | Takayuki Suzuki | 38.88 | ||
| 7 | 8 | Efrem Morelli | 42.00 | ||
| 8 | 1 | Francisco Avelino | 43.03 | ||
| Rank | Lane | Name | Nationality | Time | Notes | |
|---|---|---|---|---|---|---|
| 4 | Daniel Dias | 32.05 | WR | |||
| 5 | Sebastián Rodríguez | 33.44 | ||||
| 3 | Roy Perkins | 33.69 | ||||
| 4 | 6 | Dmytro Kryzhanovskyy | 34.97 | |||
| 5 | 2 | Clodaldo Silva | 34.99 | |||
| 6 | 1 | Anthony Stephens | 35.74 | |||
| 7 | 7 | Thanh Tung Vo | 36.05 | |||
| 8 | 8 | Andrew Mullen | 38.08 |