Ukraine at the 2019 World Aquatics Championships
Ukraine competed at the 2019 World Aquatics Championships in Gwangju, South Korea from 12 to 28 July.
Artistic swimming
Ukraine entered 12 artistic swimmers.;Women
Legend: = Reserve Athlete
Diving
Ukraine entered 9 divers.Men
Women
'''Mixed'''
High diving
Ukraine qualified two male and one female high divers.;Men
| Athlete | Event | Points | Rank |
| Viacheslav Kolesnikov | Men's high diving | 358.10 | 8 |
| Oleksiy Pryhorov | Men's high diving | 233.40 | 15 |
;Women
| Athlete | Event | Points | Rank |
| Antonina Vyshyvanova | Women's high diving | 257.65 | 5 |
Open water swimming
Ukraine qualified one male and one female open water swimmers.;Men
| Athlete | Event | Time | Rank |
| Ihor Chervynskyy | Men's 10 km | 1:52:45.2 | 52 |
;Women
| Athlete | Event | Time | Rank |
| Krystyna Panchishko | Women's 5 km | 59:44.0 | 29 |
| Krystyna Panchishko | Women's 10 km | 2:00:28.6 | 36 |
Swimming
Ukraine entered six swimmers.;Men