Juliana Daudt Brizola is a Brazilian lawyer and politician. She was a councilwoman in the city of Porto Alegre from 2009 to 2011 and later became a state deputy in the state of Rio Grande do Sul from 2011 to 2023. She is currently affiliated with the Democratic Labour Party (PDT), which she has been affiliated with since she was 18 years old. She is the granddaughter of Leonel Brizola, as well as the sister of fellow politicians Brizola Neto and Leonel Brizola Neto, being the twin sister of the latter.