# Belgium at the 2023 World Aquatics Championships

Belgium is set to compete at the 2023 World Aquatics Championships in Fukuoka, Japan from 14 to 30 July.

## Artistic swimming
### Mixed

| Athlete | Event | Preliminaries | Preliminaries | Final | Final |
| Athlete | Event | Points | Rank | Points | Rank |
| Renaud Barral Lisa Ingenito | Duet technical routine | 170.9367 | 10 Q | 189.2567 | 11 |
| Renaud Barral Lisa Ingenito | Duet free routine | 147.1521 | 7 Q | 144.7812 | 7 |

## Open water swimming

Belgium entered 1 open water swimmer.

### Men

| Athlete | Event | Time | Rank |
| Logan Vanhuys | Men's 5 km | 56:43.2 | 14 |
| Logan Vanhuys | Men's 10 km | 1:54:03.1 | 18 |

## Swimming

Belgium entered 12 swimmers.

### Men

| Athlete | Event | Heat | Heat | Semifinal | Semifinal | Final | Final |
| Athlete | Event | Time | Rank | Time | Rank | Time | Rank |
| Noah De Schryver | 200 metre breaststroke | 2:12.63 | 24 | Did not advance | Did not advance | Did not advance | Did not advance |
| Lucas Henveaux | 200 metre freestyle | 1:46.40 | 7 Q | 1:46.77 | 15 | Did not advance | Did not advance |
| Lucas Henveaux | 400 metre freestyle | 3:47.88 | 13 | — | — | Did not advance | Did not advance |

### Women

| Athlete | Event | Heat | Heat | Semifinal | Semifinal | Final | Final |
| Athlete | Event | Time | Rank | Time | Rank | Time | Rank |
| Valentine Dumont | 200 metre freestyle | 1:58.23 | 16 Q | 1:57.97 | 13 | Did not advance | Did not advance |
| Valentine Dumont | 400 metre freestyle | 4:10.09 | 15 | — | — | Did not advance | Did not advance |
| Florine Gaspard | 50 metre breaststroke | 30.75 | 16 Q | 30.67 | 15 | Did not advance | Did not advance |
| Florine Gaspard | 100 metre breaststroke | 1:08.34 | 27 | Did not advance | Did not advance | Did not advance | Did not advance |
| Alisée Pisane | 800 metre freestyle | 8:32.52 NR | 14 | — | — | Did not advance | Did not advance |
| Alisée Pisane | 1500 metre freestyle | 16:25.15 | 18 | — | — | Did not advance | Did not advance |
| Roos Vanotterdijk | 50 metre freestyle | 25.74 | 37 | Did not advance | Did not advance | Did not advance | Did not advance |
| Roos Vanotterdijk | 100 metre freestyle | 55.89 | 28 | Did not advance | Did not advance | Did not advance | Did not advance |
| Roos Vanotterdijk | 50 metre backstroke | 28.69 | 29 | Did not advance | Did not advance | Did not advance | Did not advance |
| Roos Vanotterdijk | 100 metre backstroke | 1:00.95 | 22 | Did not advance | Did not advance | Did not advance | Did not advance |
| Fleur Vermeiren | 50 metre breaststroke | 30.73 | 15 Q | 31.26 | 16 | Did not advance | Did not advance |
| Valentine Dumont Fleur Verdonck Lana Ravelingien Lotte Vanhauwaert | 4 × 200 m freestyle relay | 8:06.94 | 17 | — | — | Did not advance | Did not advance |
| Fleur Verdonck Florine Gaspard Roos Vanotterdijk Valentine Dumont | 4 × 100 m medley relay | 4:04.54 NR | 15 | — | — | Did not advance | Did not advance |

### Mixed

| Athlete | Event | Heat | Heat | Final | Final |
| Athlete | Event | Time | Rank | Time | Rank |
| Stan Franckx Florine Gaspard Valentine Dumont Lucas Henveaux | 4 × 100 m medley relay | 3:54.06 | 20 | Did not advance | Did not advance |