Denmark competed at the 2011 World Aquatics Championships in Shanghai, China between July 16 and 31, 2011.
| Medal | Name | Sport | Event | Date | |
|---|---|---|---|---|---|
| 26 July | |||||
| 29 July | |||||
| 30 July |
See main article: Swimming at the 2011 World Aquatics Championships.
Denmark qualified 6 swimmers.[1]
| Athlete | Event | Heats | Semifinals | Final | |||
|---|---|---|---|---|---|---|---|
| Time | Rank | Time | Rank | Time | Rank | ||
| Mads Glaesner | Men's 200m Freestyle | 1:49.59 | 32 | align=center colspan=4 | did not advance | ||
| Men's 400m Freestyle | 3:48.41 | 12 | align=center colspan=2 | did not advance | |||
| Men's 800m Freestyle | 7:54.57 | 11 | align=center colspan=2 | did not advance | |||
| Men's 1500m Freestyle | 15:12.52 | 13 | align=center colspan=2 | did not advance | |||
| Athlete | Event | Heats | Semifinals | Final | |||
|---|---|---|---|---|---|---|---|
| Time | Rank | Time | Rank | Time | Rank | ||
| Jeanette Ottesen | Women's 50m Freestyle | 25.23 | 13 Q | 24.61 | 2 Q | 24.67 | 6 |
| Women's 100m Freestyle | 53.88 | 2 Q | 53.88 | 4 Q | 53.45 | ||
| Women's 50m Butterfly | 25.88 | 2 Q | 26.53 | 13 | align=center colspan=2 | did not advance | |
| Women's 100m Butterfly | 58.32 | 7 Q | 58.24 | 11 | align=center colspan=2 | did not advance | |
| Pernille Blume | Women's 100m Freestyle | 55.14 | 22 | align=center colspan=4 | did not advance | ||
| Women's 200m Freestyle | 1:59.96 | 26 | align=center colspan=4 | did not advance | |||
| Lotte Friis | Women's 400m Freestyle | 4:06.31 | 4 Q | 4:04.68 | 5 | ||
| Women's 800m Freestyle | 8:23.07 | 2 Q | 8:18.20 | ||||
| Women's 1500m Freestyle | 16:00.47 | 1 Q | 15:49.59 | ||||
| Mie Nielsen | Women's 50m Backstroke | 28.89 | 18 | align=center colspan=4 | did not advance | ||
| Women's 100m Backstroke | 1:01.90 | 24 | align=center colspan=4 | did not advance | |||
| Rikke Pedersen | Women's 50m Breaststroke | 31.65 | 14 Q | 32.07 | 15 | align=center colspan=2 | did not advance |
| Women's 100m Breaststroke | 1:07.80 | 7 Q | 1:07.13 | 4 Q | 1:07.28 | 6 | |
| Women's 200m Breaststroke | 2:25.86 | 2 Q | 2:24.80 | 5 Q | 2:26.56 | 7 | |
| Pernille Blume Mie Nielsen Jeanette Ottesen Lotte Friis | Women's 4 × 100 m Freestyle | 3:39.48 | 8 Q | 3:39.74 | 8 | ||
| Mie Nielsen Rikke Pedersen Jeanette Ottesen Pernille Blume | Women's 4 × 100 m Medley Relay | 4:01.60 | 9 | align=center colspan=2 | did not advance | ||