Juliana Viana Vieira (born 23 September 2004) is a Brazilian badminton player.

In 2021, she won a bronze medal at the 2021 Junior Pan American Games.

She also competed in the 2022 South American Games and won gold in women's singles, doubles and in the mixed team event.

[4] In 2023, Juliana won the women's singles title at the Santo Domingo Open.

She also won the El Salvador International and gained enough ranking points to qualify for the 2023 BWF World Championships.