# Juliana Viana Vieira

Juliana Viana Vieira (born 23 September 2004) is a Brazilian badminton player. She made her Olympic debut at the 2024 Summer Olympics where she represented Brazil in the women's singles event.

## Career

Juliana was called up to represent the Brazilian national team in the 2020 Pan Am Women's Team Championships and won a bronze medal. In 2021, she won a bronze medal at the 2021 Junior Pan American Games. She also won the Brazil International and the Dominican Open that year.
In 2022, Juliana won two international titles in women's singles at the Brazil International and the Peru International. She also competed in the 2022 South American Games and won gold in women's singles, doubles and in the mixed team event.
In 2023, Juliana won the women's singles title at the Santo Domingo Open. She also won the women's doubles title partnered with Sânia Lima. She also won the El Salvador International and gained enough ranking points to qualify for the 2023 BWF World Championships. In the 2023 World Championships, she first beat Insyirah Khan of Singapore in the first round but lost out to Pornpawee Chochuwong in the second round.
In 2024, she qualified for the 2024 Summer Olympics women's singles event. In Group D, she lost her first match to Supanida Katethong of Thailand 16–21, 19–21. In her second match, she defeated Lo Sin Yan of Hong Kong 21–19, 21–14, making her the first ever Brazilian to win a match in the women's singles event in badminton at the Olympic Games.

## Achievements
### Pan American Games

Women's doubles
| Year | Venue | Partner | Opponent | Score | Result |
| 2023 | Olympic Training Center, Santiago, Chile | Sânia Lima | Annie Xu Kerry Xu | 7–21, 18–21 | Bronze |

### South American Games

Women's singles
| Year | Venue | Opponent | Score | Result |
| 2022 | Estadio León Condou, Asuncion, Paraguay | Sâmia Lima | 21–14, 21–10 | Gold |
Women's doubles
| Year | Venue | Partner | Opponent | Score | Result |
| 2022 | Estadio León Condou, Asuncion, Paraguay | Sânia Lima | Jaqueline Lima Sâmia Lima | 26–24, 21–13 | Gold |

### South American Championships

Women's singles
| Year | Venue | Opponent | Score | Result |
| 2021 | Ginásio Univille, Joinville, Brazil | Jaqueline Lima | 18–21, 21–18, 21–13 | Gold |

### Junior Pan American Games

Girls' singles
| Year | Venue | Opponent | Score | Result |
| 2021 | Pacific Valley Events Center, Yumbo, Valle, Colombia | Rachel Chan | 8–21, 9–21 | Bronze |

### BWF International Challenge/Series (10 titles, 1 runner-up)

Women's singles
| Year | Tournament | Opponent | Score | Result |
| 2021 | Brazil International | Jaqueline Lima | 14–21, 25–23, 21–15 | Winner |
| 2021 | Dominican Open | Sâmia Lima | 21–9, 21–17 | Winner |
| 2021 | El Salvador International | Ishika Jaiswal | 19–21, 17–21 | Runner-up |
| 2022 | Brazil International | Vanessa García | 21–13, 21–14 | Winner |
| 2022 | Perú International | Haramara Gaitán | 21–16, 21–16 | Winner |
| 2023 | Santo Domingo Open | Sâmia Lima | 21–7, 21–3 | Winner |
| 2023 | El Salvador International | Disha Gupta | 21–12, 21–11 | Winner |
| 2024 | Perú International | Chloe Hoang | 21–16, 21–12 | Winner |
| 2024 | El Salvador International | Yevheniia Kantemyr | 21–10, 21–14 | Winner |
| 2024 | Canadian International | Michelle Li | 21–18, 14–21, 21–17 | Winner |
Women's doubles
| Year | Tournament | Partner | Opponent | Score | Result |
| 2023 | Santo Domingo Open | Sânia Lima | Jaqueline Lima Sâmia Lima | 21–16, 24–22 | Winner |
    BWF International Challenge tournament
    BWF International Series tournament
    BWF Future Series tournament