| Games: | World Aquatics Championships |
| Nf: | DEN |
| Nfname: | Danish Swimming Federation |
| Year: | 2019 |
| Flagcaption: | Flag of Denmark |
| Location: | Gwangju, South Korea |
| Gold: | 0 |
| Silver: | 0 |
| Bronze: | 0 |
| Appearances: | auto |
Denmark competed at the 2019 World Aquatics Championships in Gwangju, South Korea from 12 to 28 July.
See main article: Swimming at the 2019 World Aquatics Championships.
Denmark entered 12 swimmers.[1]
| Athlete | Event | Heat | Semifinal | Final | ||||
|---|---|---|---|---|---|---|---|---|
| Time | Rank | Time | Rank | Time | Rank | |||
| align=left rowspan=3 | Tobias Bjerg | 50 m freestyle | 23.06 | =52 | Did not advance | |||
| 50 m breaststroke | 27.13 | 13 Q | 27.08 SO: 27.16 | 9 | Did not advance | |||
| 100 m breaststroke | 1:00.29 | 23 | Did not advance | |||||
| align=left rowspan=2 | Viktor Bromer | 100 m butterfly | Did not advance | |||||
| 200 m butterfly | 1:58.59 | 26 | Did not advance | |||||
| align=left rowspan=3 | Anton Ipsen | 400 m freestyle | 3:48.50 | 12 | Did not advance | |||
| 800 m freestyle | 7:48.74 | 9 | Did not advance | |||||
| 1500 m freestyle | 15:04.02 | 15 | Did not advance | |||||
| Alexander Norgaard | 1500 m freestyle | 14:47.75 | 4 Q | 15:20.47 | 8 | |||
| Athlete | Event | Heat | Semifinal | Final | ||||
|---|---|---|---|---|---|---|---|---|
| Time | Rank | Time | Rank | Time | Rank | |||
| align=left rowspan=2 | Emilie Beckmann | 50 m butterfly | 26.32 SO: 26.24 | 17 | Did not advance | |||
| 100 m butterfly | 59.94 | 28 | Did not advance | |||||
| Pernille Blume | 50 m freestyle | 24.44 | =4 Q | 24.14 | 3 Q | 24.12 | 4 | |
| Signe Bro | 100 m freestyle | 55.65 | 33 | Did not advance | ||||
| Emily Gantriis | 200 m freestyle | 2:05.44 | 37 | Did not advance | ||||
| align=left rowspan=2 | Julie Kepp Jensen | 50 m freestyle | 25.02 | 15 Q | 24.89 | 13 | Did not advance | |
| 50 m backstroke | 27.95 | 5 Q | 28.24 | 16 | Did not advance | |||
| align=left rowspan=2 | Mie Nielsen | 50 m backstroke | Did not advance | |||||
| 100 m backstroke | 1:00.99 | 19 | Did not advance | |||||
| Jeanette Ottesen | 50 m butterfly | 26.09 | 9 Q | 26.01 | 8 Q | 25.76 | 7 | |
| align=left rowspan=2 | Matilde Schroder | 50 m breaststroke | 31.98 | 27 | Did not advance | |||
| 100 m breaststroke | 1:09.62 | 29 | Did not advance | |||||
| Julie Kepp Jensen Signe Bro Jeanette Ottesen Emily Gantriis | 4×100 m freestyle relay | 3:42.20 | 14 | Did not advance | ||||
| Mie Nielsen Matilde Schroder Jeanette Ottesen Julie Kepp Jensen | 4×100 m medley relay | 4:04.33 | 16 | Did not advance | ||||