# Portugal at the 2023 World Aquatics Championships

Portugal competed at the 2023 World Aquatics Championships in Fukuoka, Japan from 14 to 30 July.

## Medalists

| Medal | Name | Sport | Event | Date |
| Silver | Diogo Ribeiro | Swimming | Men's 50 m butterfly | July 24 |

## Artistic swimming

Portugal entered 2 artistic swimmers.

### Women

| Athlete | Event | Preliminaries | Preliminaries | Final | Final |
| Athlete | Event | Points | Rank | Points | Rank |
| Maria Gonçalves Cheila Vieira | Duet technical routine | 217.5866 | 11 Q | 208.4600 | 11 |
| Maria Gonçalves Cheila Vieira | Duet free routine | 167.1750 | 15 | did not advance | did not advance |

## Open water swimming

Portugal entered 4 open water swimmers.

### Men

| Athlete | Event | Time | Rank |
| Tiago Campos | Men's 5 km | DNF | DNF |
| Tiago Campos | Men's 10 km | 1:54:05.5 | 20 |
| Diogo Cardoso | Men's 5 km | 57:49.7 | 35 |
| Diogo Cardoso | Men's 10 km | 1:54:08.7 | 23 |

### Women

| Athlete | Event | Time | Rank |
| Angélica André | Women's 5 km | 59:35.6 | 4 |
| Angélica André | Women's 10 km | 2:03:18.9 | 15 |
| Mafalda Rosa | Women's 5 km | 59:44.6 | 9 |
| Mafalda Rosa | Women's 10 km | 2:03:25.9 | 17 |

## Swimming

Portugal entered 8 swimmers.

### Men

| Athlete | Event | Heat | Heat | Semifinal | Semifinal | Final | Final |
| Athlete | Event | Time | Rank | Time | Rank | Time | Rank |
| João Costa | 50 metre backstroke | 25.28 NR | 22 | Did not advance | Did not advance | Did not advance | Did not advance |
| João Costa | 100 metre backstroke | 53.71 NR | 10 Q | 54.30 | 16 | Did not advance | Did not advance |
| João Costa | 200 metre backstroke | 1:59.30 | 19 | Did not advance | Did not advance | Did not advance | Did not advance |
| Gabriel Lopes | 100 metre breaststroke | 1:01.69 | 32 | Did not advance | Did not advance | Did not advance | Did not advance |
| Gabriel Lopes | 200 metre individual medley | 1:58.77 | 14 Q | 2:00.28 | 16 | Did not advance | Did not advance |
| Diogo Ribeiro | 50 metre freestyle | 22.05 | 16 Q | 22.03 | 13 | Did not advance | Did not advance |
| Diogo Ribeiro | 100 metre freestyle | 48.21 | 14 Q | 48.13 | 10 | Did not advance | Did not advance |
| Diogo Ribeiro | 50 metre butterfly | 23.14 | 6 Q | 23.04 | 7 Q | 22.80 | |
| Diogo Ribeiro | 100 metre butterfly | 51.57 | 12 Q | 51.54 | 13 | Did not advance | Did not advance |
| Miguel Nascimento | 50 metre freestyle | 22.38 | 34 | Did not advance | Did not advance | Did not advance | Did not advance |
| Miguel Nascimento | 50 metre butterfly | 23.95 | 42 | Did not advance | Did not advance | Did not advance | Did not advance |
| João Costa Gabriel Lopes Diogo Ribeiro Miguel Nascimento | 4 × 100 m medley relay | 3:35.63 NR | 16 | — | — | Did not advance | Did not advance |

### Women

| Athlete | Event | Heat | Heat | Semifinal | Semifinal | Final | Final |
| Athlete | Event | Time | Rank | Time | Rank | Time | Rank |
| Diana Durães | 1500 metre freestyle | 17:05.18 | 28 | — | — | Did not advance | Did not advance |
| Tamila Holub | 800 metre freestyle | 8:42.90 | 25 | — | — | Did not advance | Did not advance |
| Tamila Holub | 1500 metre freestyle | 16:30.39 | 20 | — | — | Did not advance | Did not advance |
| Ana Rodrigues | 50 metre freestyle | Did not start | Did not start | Did not start | Did not start | Did not start | Did not start |
| Ana Rodrigues | 50 metre breaststroke | Did not start | Did not start | Did not start | Did not start | Did not start | Did not start |
| Ana Rodrigues | 100 metre breaststroke | 1:09.97 | 37 | Did not advance | Did not advance | Did not advance | Did not advance |
| Camila Rebelo | 50 metre backstroke | 28.65 | 28 | Did not advance | Did not advance | Did not advance | Did not advance |
| Camila Rebelo | 100 metre backstroke | 1:01.27 | 24 | Did not advance | Did not advance | Did not advance | Did not advance |
| Camila Rebelo | 200 metre backstroke | 2:11.80 | 15 Q | 2:12.47 | 15 | Did not advance | Did not advance |