Maria Teresa Mascarenhas Horta (born 20 May 1937, Lisbon) is a Portuguese feminist poet, journalist and activist.She has a bachelor's degree from the Universidade de Lisboa and has worked as a journalist.
She took part in the Portuguese Feminist Movement with Maria Isabel Barreno and Maria Velho da Costa (the Three Marias) and was a member of the Poesia 61 group.
Her writing has been published in such journals as Diário de Lisboa, A Capital, República, O Século, Diário de Notícias and Jornal de Letras e Artes, and she was editor in chief of Mulheres magazine.
She is the daughter of Jorge Augusto da Silva Horta, Bastonary of the Ordem dos Médicos (Medical Association of Portugal) and a university professor, and his wife D.
Carlota Maria Mascarenhas, of the Marquesses of Fronteira, Counts of Torre and Counts of Coculim, and also Marquesses of Alorna (formerly Marquesses of Castelo Novo) and Counts of Assumar.
She was married to Luís Barros, until his death in November 20th, 2019.
Her son, Luís Jorge Horta Barros, born on April 4, 1965, is married to Maria Antónia Martins Peças Pereira and has two sons, Bé and Tiago Horta Barros.