Mayra Benita Alves Dias (born 28 September 1991) is a Brazilian politician, journalist, model, and beauty pageant titleholder.

Dias will represent Amazonas at the Miss Mundo Brasil 2015 at the Teatro Governador Pedro Ivo in Florianópolis in the state of Santa Catarina but she placed in the Top 20 semifinalist.

Dias was joined and chosen as Brazilian Representative at Reina Hispanoamericana 2016 at the FexpoCruz, Santa Cruz, Bolivia on 5 November 2016 defeating 22 other beauties competing for the title where she ended as the 1st Runner-Up.

Dias representing Amazonas was crowned Miss Brasil 2018 held at the Riocentro in Rio de Janeiro its grand finale on 26 May 2018 where 27 beautiful divas competed for the national title.

[4][5] Dias represented Brazil at the Miss Universe 2018 pageant in Bangkok, Thailand, where she placed in the top 20.