Miss Grand Brazil 2023 was the 5th edition of the Miss Grand Brazil beauty pageant, originally programmed to be held on June 29, 2023, at Hotel Sibara Flat & Conventions in Balneário Camboriú, Santa Catarina, but was later rescheduled to June 10 and the venue was moved to Recanto Cataratas Thermas Resort, Foz do Iguaçu, Paraná.

[1] Twenty-eight candidates, who were chosen through either the state pageants or national preliminary casting held directly by a central licensee, competed for the title,[1][2] of whom a 26-year-old dentist, nursing technician and medical student representing Zona da Mata Mineira, Adriana Yanca, was announced the winner, while the representatives of Pernambuco, Tocantins, Paraná, and Minas Gerais, were named runners-up.

Four states and insular cities made their debut in this edition, including Acre, Cataratas do Iguaçu, Guanabara, Ilha de São Luís, and Ipiranga.

Compared to the previous edition, Amazonas returned, while nine states and cities withdrew, making the finalized total of twenty-eight contestants.

The candidate with the highest accumulated score, Adriana Yanca of Zona da Mata Mineira, was announced as Miss Grand Brazil 2023.