# Brazil at the World Aquatics Championships

Brazil has participated in all the World Aquatics Championships since the beginning in 1973. Brazil is 14th on the all time medal table. Brazil's first World Championships medal was won by Rômulo Arantes in the Men's 100 m backstroke in West Berlin in 1978. He won bronze. Ricardo Prado won the first Brazil's gold medal in Men's 400 m individual medley in Guayaquil, Ecuador in 1982. Poliana Okimoto was the first woman to win a medal, a bronze in women's 5 km in Rome in 2009. Ana Marcela Cunha was the first woman to win a gold medal in women's 25 km in Shanghai in 2011.

## Medalists
### Swimming

Updated until the 2024 World Championships.
| Medal | Name | Year | Event |
| Bronze | Rômulo Arantes | 1978 West Berlin | Men's 100 m backstroke |
| Gold | Ricardo Prado | 1982 Guayaquil | Men's 400 m individual medley |
| Bronze | Gustavo Borges | 1994 Rome | Men's 100 m freestyle |
| Bronze | André Teixeira, Fernando Scherer, Gustavo Borges, Teófilo Ferreira | 1994 Rome | Men's 4 × 100 m freestyle relay |
| Gold | César Cielo | 2009 Rome | Men's 50 m freestyle |
| Gold | César Cielo | 2009 Rome | Men's 100 m freestyle |
| Silver | Felipe França Silva | 2009 Rome | Men's 50 m breaststroke |
| Gold | César Cielo | 2011 Shanghai | Men's 50 m freestyle |
| Gold | César Cielo | 2011 Shanghai | Men's 50 m butterfly |
| Gold | Felipe França Silva | 2011 Shanghai | Men's 50 m breaststroke |
| Gold | César Cielo | 2013 Barcelona | Men's 50 m freestyle |
| Gold | César Cielo | 2013 Barcelona | Men's 50 m butterfly |
| Bronze | Felipe Lima | 2013 Barcelona | Men's 100 m breaststroke |
| Bronze | Thiago Pereira | 2013 Barcelona | Men's 200 m individual medley |
| Bronze | Thiago Pereira | 2013 Barcelona | Men's 400 m individual medley |
| Silver | Nicholas Santos | 2015 Kazan | Men's 50 m butterfly |
| Silver | Thiago Pereira | 2015 Kazan | Men's 200 m individual medley |
| Silver | Etiene Medeiros | 2015 Kazan | Women's 50 m backstroke |
| Bronze | Bruno Fratus | 2015 Kazan | Men's 50 m freestyle |
| Gold | Etiene Medeiros | 2017 Budapest | Women's 50 m backstroke |
| Silver | Marcelo Chierighini, César Cielo, Bruno Fratus, Gabriel Santos | 2017 Budapest | Men's 4 × 100 m freestyle relay |
| Silver | Nicholas Santos | 2017 Budapest | Men's 50 m butterfly |
| Silver | João Gomes Júnior | 2017 Budapest | Men's 50 m breaststroke |
| Silver | Bruno Fratus | 2017 Budapest | Men's 50 m freestyle |
| Silver | Felipe Lima | 2019 Gwangju | Men's 50 m breaststroke |
| Silver | Etiene Medeiros | 2019 Gwangju | Women's 50 m backstroke |
| Silver | Bruno Fratus | 2019 Gwangju | Men's 50 m freestyle |
| Bronze | Nicholas Santos | 2019 Gwangju | Men's 50 m butterfly |
| Bronze | João Gomes Júnior | 2019 Gwangju | Men's 50 m breaststroke |
| Silver | Nicholas Santos | 2022 Budapest | Men's 50 m butterfly |
| Bronze | Guilherme Costa | 2022 Budapest | Men's 400 metre freestyle |

### Open water swimming

Updated until the 2024 World Championships.
| Medal | Name | Year | Event |
| Bronze | Poliana Okimoto | 2009 Rome | Women's 5 km |
| Gold | Ana Marcela Cunha | 2011 Shanghai | Women's 25 km |
| Gold | Poliana Okimoto | 2013 Barcelona | Women's 10 km |
| Silver | Ana Marcela Cunha | 2013 Barcelona | Women's 10 km |
| Silver | Poliana Okimoto | 2013 Barcelona | Women's 5 km |
| Bronze | Ana Marcela Cunha | 2013 Barcelona | Women's 5 km |
| Bronze | Allan do Carmo, Samuel de Bona, Poliana Okimoto | 2013 Barcelona | Team |
| Gold | Ana Marcela Cunha | 2015 Kazan | Women's 25 km |
| Silver | Allan do Carmo, Diogo Villarinho, Ana Marcela Cunha | 2015 Kazan | Team |
| Bronze | Ana Marcela Cunha | 2015 Kazan | Women's 10 km |
| Gold | Ana Marcela Cunha | 2017 Budapest | Women's 25 km |
| Bronze | Ana Marcela Cunha | 2017 Budapest | Women's 5 km |
| Bronze | Ana Marcela Cunha | 2017 Budapest | Women's 10 km |
| Gold | Ana Marcela Cunha | 2019 Gwangju | Women's 5 km |
| Gold | Ana Marcela Cunha | 2019 Gwangju | Women's 25 km |
| Gold | Ana Marcela Cunha | 2022 Budapest | Women's 5 km |
| Gold | Ana Marcela Cunha | 2022 Budapest | Women's 25 km |
| Bronze | Ana Marcela Cunha | 2022 Budapest | Women's 10 km |
| Bronze | Ana Marcela Cunha | 2023 Fukuoka | Women's 5 km |
| Bronze | Ana Marcela Cunha | 2024 Doha | Women's 5 km |

## Best Finishes
### Swimming

Updated until the 2024 World Championships.
| Event | Gold | Silver | Bronze | Total | Best finish |
| Men's 50 metre freestyle | 3 | 2 | 1 | 6 | (2009, 2011, 2013) |
| Men's 100 metre freestyle | 1 | 0 | 1 | 2 | (2009) |
| Men's 200 metre freestyle | 0 | 0 | 0 | 0 | 8th (1998, 2024) |
| Men's 400 metre freestyle | 0 | 0 | 1 | 1 | (2022) |
| Men's 800 metre freestyle | 0 | 0 | 0 | 0 | 5th (2022) |
| Men's 1500 metre freestyle | 0 | 0 | 0 | 0 | 6th (1998, 2022) |
| Men's 50 metre backstroke | 0 | 0 | 0 | 0 | 6th (2013) |
| Men's 100 metre backstroke | 0 | 0 | 1 | 1 | (1978) |
| Men's 200 metre backstroke | 0 | 0 | 0 | 0 | 8th (1982) |
| Men's 50 metre breaststroke | 1 | 3 | 1 | 5 | (2011) |
| Men's 100 metre breaststroke | 0 | 0 | 1 | 1 | (2013) |
| Men's 200 metre breaststroke | 0 | 0 | 0 | 0 | 7th (2009) |
| Men's 50 metre butterfly | 2 | 3 | 1 | 6 | (2011, 2013) |
| Men's 100 metre butterfly | 0 | 0 | 0 | 0 | 7th (2005) |
| Men's 200 metre butterfly | 0 | 0 | 0 | 0 | 4th (1982, 2009) |
| Men's 200 metre individual medley | 0 | 1 | 1 | 2 | (2015) |
| Men's 400 metre individual medley | 1 | 0 | 1 | 2 | (1982) |
| Men's 4 × 100 metre freestyle relay | 0 | 1 | 1 | 2 | (2017) |
| Men's 4 × 200 metre freestyle relay | 0 | 0 | 0 | 0 | 4th (2022) |
| Men's 4 × 100 metre medley relay | 0 | 0 | 0 | 0 | 4th (2009) |
| Women's 50 metre freestyle | 0 | 0 | 0 | 0 | 12th (2005) |
| Women's 100 metre freestyle | 0 | 0 | 0 | 0 | 6th (2024) |
| Women's 200 metre freestyle | 0 | 0 | 0 | 0 | 5th (2024) |
| Women's 400 metre freestyle | 0 | 0 | 0 | 0 | 4th (2024) |
| Women's 800 metre freestyle | 0 | 0 | 0 | 0 | 8th (2022) |
| Women's 1500 metre freestyle | 0 | 0 | 0 | 0 | 6th (2022) |
| Women's 50 metre backstroke | 1 | 2 | 0 | 3 | (2017) |
| Women's 100 metre backstroke | 0 | 0 | 0 | 0 | 9th (2015) |
| Women's 200 metre backstroke | 0 | 0 | 0 | 0 | 16th (1998) |
| Women's 50 metre breaststroke | 0 | 0 | 0 | 0 | 8th (2022) |
| Women's 100 metre breaststroke | 0 | 0 | 0 | 0 | 16th (1973) |
| Women's 200 metre breaststroke | 0 | 0 | 0 | 0 | 7th (2024) |
| Women's 50 metre butterfly | 0 | 0 | 0 | 0 | 8th (2009) |
| Women's 100 metre butterfly | 0 | 0 | 0 | 0 | 5th (2009) |
| Women's 200 metre butterfly | 0 | 0 | 0 | 0 | 16th (2013, 2015) |
| Women's 200 metre individual medley | 0 | 0 | 0 | 0 | 10th (2005, 2017) |
| Women's 400 metre individual medley | 0 | 0 | 0 | 0 | 11th (1978, 2017) |
| Women's 4 × 100 metre freestyle relay | 0 | 0 | 0 | 0 | 6th (2022, 2024) |
| Women's 4 × 200 metre freestyle relay | 0 | 0 | 0 | 0 | 4th (2024) |
| Women's 4 × 100 metre medley relay | 0 | 0 | 0 | 0 | 8th (2009) |
| Mixed 4 × 100 metre freestyle relay | 0 | 0 | 0 | 0 | 6th (2015, 2022, 2023) |
| Mixed 4 × 100 metre medley relay | 0 | 0 | 0 | 0 | 9th (2015, 2022) |

### Open water swimming

Updated until the 2024 World Championships.
| Event | Gold | Silver | Bronze | Total | Best finish |
| Men's 5 km | 0 | 0 | 0 | 0 | 5th (2017) |
| Men's 10 km | 0 | 0 | 0 | 0 | 7th (2013) |
| Men's 25 km | 0 | 0 | 0 | 0 | 5th (2013) |
| Women's 5 km | 2 | 1 | 3 | 6 | (2019, 2022) |
| Women's 10 km | 1 | 1 | 3 | 5 | (2013) |
| Women's 25 km | 5 | 0 | 0 | 5 | (2011, 2015, 2017, 2019, 2022) |
| Mixed Team 5 km | 0 | 1 | 1 | 2 | (2015) |

### Diving

| Event | Gold | Silver | Bronze | Total | Best finish |
| Men's 1 m springboard | 0 | 0 | 0 | 0 | 10th (2003) |
| Men's 3 m springboard | 0 | 0 | 0 | 0 | 5th (2009) |
| Men's 10 m platform | 0 | 0 | 0 | 0 | 9th (2023) |
| Men's Synchro 3 m springboard | 0 | 0 | 0 | 0 | 8th (2005) |
| Men's Synchro 10 m platform | 0 | 0 | 0 | 0 | 9th (2022) |
| Women's 1 m springboard | 0 | 0 | 0 | 0 | 8th (2005) |
| Women's 3 m springboard | 0 | 0 | 0 | 0 | 14th (2022) |
| Women's 10 m platform | 0 | 0 | 0 | 0 | 4th (2022) |
| Women's Synchro 3 m springboard | 0 | 0 | 0 | 0 | 10th (2022) |
| Women's Synchro 10 m platform | 0 | 0 | 0 | 0 | 15th (2015) |
| Mixed Synchro 3 m springboard | 0 | 0 | 0 | 0 | 12th (2022) |
| Mixed Synchro 10 m platform | 0 | 0 | 0 | 0 | 8th (2019) |

### Water polo

Updated until the 2024 World Championships.
| Event | Gold | Silver | Bronze | Total | Best finish |
| Men's team | 0 | 0 | 0 | 0 | 10th (2015) |
| Women's team | 0 | 0 | 0 | 0 | 8th (1991) |