| Games: | World Aquatics Championships |
| Nf: | ALG |
| Nfname: | Fédération Algérienne de Natation |
| Year: | 2019 |
| Flagcaption: | Flag of Algeria |
| Location: | Gwangju, South Korea |
| Competitors: | 3 |
| Sports: | 1 |
| Gold: | 0 |
| Silver: | 0 |
| Bronze: | 0 |
| Appearances: | auto |
Algeria 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.
Algeria has entered three swimmers.[1]
| Athlete | Event | Heat | Semifinal | Final | ||||
|---|---|---|---|---|---|---|---|---|
| Time | Rank | Time | Rank | Time | Rank | |||
| align=left rowspan=2 | Oussama Sahnoune | 50 m freestyle | 22.37 | 24 | did not advance | |||
| 100 m freestyle | 49.08 | 23 | did not advance | |||||
| align=left rowspan=2 | Jaouad Syoud | 200 m individual medley | 2:01.76 | 27 | did not advance | |||
| 400 m individual medley | 4:28.65 | 30 | did not advance | |||||
| Athlete | Event | Heat | Semifinal | Final | |||
|---|---|---|---|---|---|---|---|
| Time | Rank | Time | Rank | Time | Rank | ||
| align=left rowspan=2 | Souad Cherouati | 800 m freestyle | 9:12.30 | 35 | did not advance | ||
| 1500 m freestyle | 17:25.12 | 28 | did not advance | ||||