| Games: | World Aquatics Championships |
| Nf: | MOZ |
| Nfname: | Federação Moçambicana de Natação |
| Year: | 2017 |
| Flagcaption: | Flag of Mozambique |
| Location: | Budapest, Hungary |
| Competitors: | 4 |
| Sports: | 1 |
| Gold: | 0 |
| Silver: | 0 |
| Bronze: | 0 |
| Appearances: | auto |
| App Begin Year: | 1982 |
Mozambique competed at the 2017 World Aquatics Championships in Budapest, Hungary from 14 July to 30 July.
See main article: Swimming at the 2017 World Aquatics Championships. Mozambique has received a Universality invitation from FINA to send a maximum of four swimmers (two men and two women) to the World Championships.[1]
| Athlete | Event | Heat | Semifinal | Final | ||||
|---|---|---|---|---|---|---|---|---|
| Time | Rank | Time | Rank | Time | Rank | |||
| align=left rowspan=2 | Denílson da Costa | Men's 50 m freestyle | 23.93 | 77 | Did not advance | |||
| Men's 50 m butterfly | 26.35 | 62 | Did not advance | |||||
| align=left rowspan=2 | Igor Mogne | Men's 200 m freestyle | 1:51.48 | 52 | Did not advance | |||
| Men's 400 m freestyle | 3:55.97 | 37 | Did not advance | |||||
| align=left rowspan=2 | Gisela Cossa | Women's 50 m freestyle | 30.12 | 71 | Did not advance | |||
| Women's 50 m backstroke | 34.11 | 58 | Did not advance | |||||
| align=left rowspan=2 | Gessica Stagno | Women's 50 m butterfly | Did not advance | |||||
| Women's 100 m butterfly | Did not advance | |||||||