Monalysa Maria Alcântara Nascimento (born 24 January 1999) is a Brazilian model and beauty pageant titleholder, who was crowned Miss Brasil 2017, becoming the first representative from Piauí and the third woman of Afro-Brazilian origin to win the crown.

She began modeling at age fourteen, and is a university student studying business administration and fashion.

Alcântara began her pageant career after being crowned Miss Teen Piauí 2016, at age seventeen.

She went on to represent Piauí at the Miss Teen Brazil 2016 pageant, where she was a runner-up.

[3][4] She represented Brazil at the Miss Universe 2017 in Las Vegas where she made the Top 10.