Miss Brazil CNB 2021

Miss Brazil CNB 2021 was the 31st edition of the Miss Brazil CNB pageant and the 6th under CNB Miss Brazil. The contest took place on August 19, 2021. Each state, the Federal District and various Insular Regions & Cities competed for the title. Elís Miele Coelho of Espírito Santo crowned her successor, Caroline Teixeira of Distrito Federal at the end of the contest. Teixeira will represent Brazil at Miss World 2021. The contest was held at the Brasília Palace Hotel in Brasília, Distrito Federal, Brazil. This year's contest was originally supposed to take place in 2020 but was delayed to 2021 due to the COVID-19 pandemic.

Delegates
The delegates for Miss Brazil CNB 2021 were:

Withdrawals

 *  Roraima - Natali Vitória

Replacements

 *  Rio Grande do Norte - Andreza Viana replaced Paula Joseane after Joseane withdrew from the pageant.