Beatriz Haddad Maia (born 30 May 1996) is a Brazilian tennis player.
Haddad Maia has won two doubles titles on the WTA Tour, as well as eight singles and eight doubles titles on the ITF Women's Circuit.
On 25 September 2017, she reached her best singles ranking of world number 58.
On 29 January 2018, she peaked at number 79 of the doubles rankings.
Playing for Brazil at the Fed Cup, Haddad Maia has a combined win–loss record of 18–10.
On 23 July 2019, it was announced by the International Tennis Federation that Haddad Maia had been issued an immediate provisional suspension, pending determination of the charge against her at a full hearing, after a positive test for metabolites of two Selective androgen receptor modulator substances.