| Games: | World Aquatics Championships |
| Nf: | GUY |
| Nfname: | Guyana Amateur Swimming Association |
| Year: | 2015 |
| Flagcaption: | Flag of Guyana |
| Location: | Budapest, Hungary |
| Competitors: | 3 |
| Sports: | 1 |
| Gold: | 0 |
| Silver: | 0 |
| Bronze: | 0 |
| Appearances: | auto |
| App Begin Year: | 2001 |
Guyana 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. Guyana has received a Universality invitation from FINA to send three swimmers (two men and one woman) to the World Championships.[1]
| Athlete | Event | Heat | Semifinal | Final | ||||
|---|---|---|---|---|---|---|---|---|
| Time | Rank | Time | Rank | Time | Rank | |||
| align=left rowspan=2 | Joseph Denobrega | Men's 50 m freestyle | 26.57 | 106 | did not advance | |||
| Men's 50 m butterfly | 27.50 | 71 | did not advance | |||||
| align=left rowspan=2 | Hannibal Gaskin | Men's 100 m freestyle | 55.53 | 87 | did not advance | |||
| Men's 100 m butterfly | 58.69 | 67 | did not advance | |||||
| align=left rowspan=2 | Jamila Sanmoogan | Women's 50 m freestyle | 28.45 | 62 | did not advance | |||
| Women's 50 m butterfly | 30.02 NR | 45 | did not advance | |||||