| Games: | World Aquatics Championships |
| Nf: | PAK |
| Nfname: | Pakistan Swimming Federation |
| Year: | 2019 |
| Flagcaption: | Flag of Pakistan |
| Location: | Gwangju, South Korea |
| Competitors: | 3 |
| Sports: | 1 |
| Gold: | 0 |
| Silver: | 0 |
| Bronze: | 0 |
| Appearances: | auto |
| App Begin Year: | 1998 |
Pakistan 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.
Pakistan entered three swimmers.[1]
| Athlete | Event | Heat | Semifinal | Final | ||||
|---|---|---|---|---|---|---|---|---|
| Time | Rank | Time | Rank | Time | Rank | |||
| align=left rowspan=2 | Syed Tariq | 100 m freestyle | 53.34 | 86 | did not advance | |||
| 100 m backstroke | 59.71 | 55 | did not advance | |||||
| Athlete | Event | Heat | Semifinal | Final | ||||
|---|---|---|---|---|---|---|---|---|
| Time | Rank | Time | Rank | Time | Rank | |||
| align=left rowspan=2 | Mishael Ayub | 100 m freestyle | 1:05.58 | 80 | did not advance | |||
| 100 m breaststroke | 1:22.76 | 52 | did not advance | |||||
| align=left rowspan=2 | Bisma Khan | 50 m freestyle | 28.05 | 62 | did not advance | |||
| 100 m butterfly | 1:07.19 | 44 | did not advance | |||||