| Games: | World Aquatics Championships |
| Nf: | ROU |
| Nfname: | Romanian Federation of Swimming and Modern Pentathlon |
| Year: | 2019 |
| Flagcaption: | Flag of Romania |
| Location: | Gwangju, South Korea |
| Appearances: | auto |
Romania competed at the 2019 World Aquatics Championships in Gwangju, South Korea from 12 to 28 July.
See main article: Diving at the 2019 World Aquatics Championships.
Romania entered four divers.[1]
| Athlete | Event | Preliminaries | Semifinals | Final | ||||
|---|---|---|---|---|---|---|---|---|
| Points | Rank | Points | Rank | Points | Rank | |||
| Cozma Catalin | align=left rowspan=2 | 10 m platform | 287.95 | 42 | did not advance | |||
| Constantin Popovici | 292.70 | 41 | did not advance | |||||
| Athlete | Event | Preliminaries | Semifinals | Final | ||||
|---|---|---|---|---|---|---|---|---|
| Points | Rank | Points | Rank | Points | Rank | |||
| Nicoleta Muscalu | align=left rowspan=2 | 10 m platform | 239.65 | 28 | did not advance | |||
| Antonia Pavel | 273.90 | 19 | did not advance | |||||
| Nicoleta Muscalu Antonia Pavel | Synchronized 10 m platform | 258.78 | 11 Q | 260.82 | 11 | |||
See main article: High diving at the 2019 World Aquatics Championships. Romania qualified two male high divers.[2]
See main article: Swimming at the 2019 World Aquatics Championships.
Romania entered four swimmers.[3]
| Athlete | Event | Heat | Semifinal | Final | ||||
|---|---|---|---|---|---|---|---|---|
| Time | Rank | Time | Rank | Time | Rank | |||
| align=left rowspan=2 | Robert Glință | 50 m backstroke | 25.00 | =9 Q | 24.53 | 2 Q | 24.67 | 7 |
| align=left rowspan=2 | 100 m backstroke | 53.64 | 7 Q | 53.40 | 8 Q | 54.22 | 8 | |
| align=left rowspan=3 | Daniel Martin | 53.65 | 8 Q | 53.71 | =12 | did not advance | ||
| 200 m backstroke | 1:57.76 | 11 Q | 1:57.66 | 10 | did not advance | |||
| 100 m butterfly | 53.15 | 27 | did not advance | |||||
| align=left rowspan=2 | George-Adrian Ratiu | 50 m freestyle | 22.88 | 48 | did not advance | |||
| 50 m butterfly | 24.48 | 43 | did not advance | |||||
| Athlete | Event | Heat | Semifinal | Final | ||||
|---|---|---|---|---|---|---|---|---|
| Time | Rank | Time | Rank | Time | Rank | |||
| align=left rowspan=2 | Claudia Gadea | 200 m individual medley | 2:19.03 | 28 | did not advance | |||
| 400 m individual medley | 5:01.11 | 26 | did not advance | |||||