# South Korea at the 2011 World Aquatics Championships

South Korea competed at the 2011 World Aquatics Championships in Shanghai, China between July 16 and 31, 2011.

## Medalists

| Medal | Name | Sport | Event | Date |
| Gold | Park Tae-Hwan | Swimming | Men's 400 metre freestyle | 24 July |

## Swimming

South Korea qualified 18 swimmers.

### Men

| Athlete | Event | Heats | Heats | Semifinals | Semifinals | Final | Final |
| Athlete | Event | Time | Rank | Time | Rank | Time | Rank |
| Park Tae-Hwan | Men's 100m Freestyle | 48.91 | 14 Q | 48.86 | 14 | did not advance | did not advance |
| Park Tae-Hwan | Men's 200m Freestyle | 1:46.63 | 4 Q | 1:46.23 | 4 Q | 1:44.92 | 4 |
| Park Tae-Hwan | Men's 400m Freestyle | 3:46.74 | 7 Q | | | 3:42.04 | |
| Jang Sang-Jin | Men's 800m Freestyle | 8:11.94 | 31 | | | did not advance | did not advance |
| Park Seon-Kwan | Men's 100m Backstroke | 55.39 | 35 | did not advance | did not advance | did not advance | did not advance |
| Kim Ji-Heun | Men's 200m Backstroke | 2:01.06 | 25 | did not advance | did not advance | did not advance | did not advance |
| Choi Kyu-Woong | Men's 100m Breaststroke | 1:01.83 | 37 | did not advance | did not advance | did not advance | did not advance |
| Choi Kyu-Woong | Men's 200m Breaststroke | 2:12.69 | 14 Q | 2:11.27 | 7 Q | 2:11.17 | 7 |
| Ham Jong-Hun | Men's 100m Butterfly | 53.94 | 36 | did not advance | did not advance | did not advance | did not advance |
| Chang Gyu-Cheol | Men's 200m Butterfly | 1:58.02 | 23 | did not advance | did not advance | did not advance | did not advance |
| Jung Won-Yong | Men's 200m Individual Medley | 2:02.50 | 27 | did not advance | did not advance | did not advance | did not advance |
| Jung Won-Yong | Men's 400m Individual Medley | 4:18.98 | 15 | | | did not advance | did not advance |
| South Korea | Men's 4 × 100 m Freestyle Relay | DNS | DNS | | | did not advance | did not advance |
| South Korea | Men's 4 × 200 m Freestyle Relay | DNS | DNS | | | did not advance | did not advance |
| South Korea | Men's 4 × 100 m Medley Relay | DNS | DNS | | | did not advance | did not advance |

### Women

| Athlete | Event | Heats | Heats | Semifinals | Semifinals | Final | Final |
| Athlete | Event | Time | Rank | Time | Rank | Time | Rank |
| Kim Jung-Hye | Women's 200m Freestyle | 2:03.13 | 38 | did not advance | did not advance | did not advance | did not advance |
| Kim Ga-Eul | Women's 400m Freestyle | 4:23.94 | 32 | | | did not advance | did not advance |
| Han Na-Kyeong | Women's 1500m Freestyle | 17:06.37 | 23 | | | did not advance | did not advance |
| Ham Chan-Mi | Women's 200m Backstroke | 2:14.88 | 28 | did not advance | did not advance | did not advance | did not advance |
| Kim Dal-Eun | Women's 50m Breaststroke | 32.43 | 21 | did not advance | did not advance | did not advance | did not advance |
| Baek Su-Yeon | Women's 100m Breaststroke | 1:10.00 | 28 | did not advance | did not advance | did not advance | did not advance |
| Baek Su-Yeon | Women's 200m Breaststroke | 2:27.43 | 12 Q | 2:26.61 | 13 | did not advance | did not advance |
| Jeong Da-Rae | Women's 200m Breaststroke | 2:28.14 | 19 | did not advance | did not advance | did not advance | did not advance |
| An Se-Hyeon | Women's 100m Butterfly | 1:00.76 | 37 | did not advance | did not advance | did not advance | did not advance |
| Choi Hye-Ra | Women's 200m Butterfly | 2:09.33 | 15 Q | 2:08.81 | 13 | did not advance | did not advance |
| Choi Hye-Ra | Women's 200m Individual Medley | 2:13.00 | 9 Q | 2:15.90 | 16 | did not advance | did not advance |
| Kim Hye-Rim | Women's 400m Individual Medley | 4:48.97 | 26 | | | did not advance | did not advance |
| South Korea | Women's 4 × 200 m Freestyle | DNS | DNS | | | did not advance | did not advance |
| South Korea | Women's 4 × 100 m Medley Relay | DNS | DNS | | | did not advance | did not advance |

## Synchronised swimming

South Korea has qualified 2 athletes in synchronised swimming.

### Women

| Athlete | Event | Preliminary | Preliminary | Final | Final |
| Athlete | Event | Points | Rank | Points | Rank |
| Park Hyun-Ha | Solo Technical Routine | 83.300 | 14 | did not advance | did not advance |
| Park Hyun-Sun | Solo Free Routine | 84.790 | 13 | did not advance | did not advance |
| Park Hyun-Ha Park Hyun-Sun | Duet Technical Routine | 85.500 | 15 | did not advance | did not advance |
| Park Hyun-Ha Park Hyun-Sun | Duet Free Routine | 85.600 | 15 | did not advance | did not advance |