Maria Antonieta Portocarrero Thedim (née de Farias; 23 August 1922 – 3 March 2018), known professionally as Tônia Carrero, was a Brazilian actress.

[2] Carrero was born and raised in Rio de Janeiro, Brazil.

She made her theater debut at the Brazilian Theater of Comedy (TBC) in São Paulo, with the play Um Deus Dormiu Lá em Casa, opposite actor Paulo Autran.

Later she formed with her husband Adolfo Celi, and Autran, the Tonia-Celi-Autran Company (CTCA), which in the 1950s and 1960s revolutionized the Brazilian theater scene by performing a wide repertoire from classical pieces by Shakespeare and Carlo Goldoni to avant-garde works such as Sartre.