| Event: | Men's 100 metre backstroke S6 |
| Games: | 2012 Summer |
| Venue: | London Aquatics Centre |
| Dates: | 30 August |
| Competitors: | 13 |
| Nations: | 9 |
| Gold: | Tao Zheng |
| Goldnpc: | CHN |
| Silver: | Jia Hongguang |
| Silvernpc: | CHN |
| Bronze: | Sebastian Iwanow |
| Bronzenpc: | GER |
The men's 100 metre backstroke S6 event at the 2012 Paralympic Games took place on 30 August, at the London Aquatics Centre.
Two heats were held, one with six swimmers and one with seven swimmers. The swimmers with the eight fastest times advanced to the final.
| Rank | Lane | Name | Nationality | Time | Notes |
|---|---|---|---|---|---|
| 1 | 4 | Iaroslav Semenenko | 1:18.24 | Q | |
| 2 | 5 | Sebastian Iwanow | 1:20.39 | Q | |
| 3 | 3 | Matthew Haanappel | 1:24.02 OC | Q | |
| 4 | 2 | Aaron Rhind | 1:25.36 | Q | |
| 5 | 6 | Sit Aung Naing | 1:27.00 | ||
| 6 | 7 | Ivanildo Vasconcelos | 1:37.68 | ||
| Rank | Lane | Name | Nationality | Time | Notes |
|---|---|---|---|---|---|
| 1 | 5 | Jia Hongguang | 1:14.98 AS | Q | |
| 2 | 4 | Tao Zheng | 1:16.37 | Q | |
| 3 | 3 | Swen Michaelis | 1:23.49 | Q | |
| 4 | 2 | Jawad Kadhim Joudah Joudah | 1:24.59 | Q | |
| 5 | 7 | Reagan Wickens | 1:32.94 | ||
| 6 | 1 | Yoav Valinsky | 1:34.12 | ||
| 6 | Agus Ngaimin | Did not start | |||
| Rank | Lane | Name | Nationality | Time | Notes | |
|---|---|---|---|---|---|---|
| 5 | Tao Zheng | 1:13.56 | WR | |||
| 4 | Jia Hongguang | 1:14.64 | ||||
| 6 | Sebastian Iwanow | 1:15.95 | ||||
| 4 | 3 | Iaroslav Semenenko | 1:15.98 | |||
| 5 | 7 | Matthew Haanappel | 1:21.25 | OC | ||
| 6 | 2 | Swen Michaelis | 1:23.54 | |||
| 7 | 1 | Jawad Kadhim Joudah Joudah | 1:25.31 | |||
| 8 | 8 | Aaron Rhind | 1:29.28 |