Mary Vieira (1927–2001) was a Brazilian sculptor. She was the first Brazilian artist to win the São Paulo Art Biennial (during the second edition). She was born in and brought up in Minas Gerais. She studied with Alberto da Veiga Guignard in Belo Horizonte. In 1947, she exhibited in Belo Horizonte Municipality’s Hall of Brazilian Young Artists, and in the following year she made the first maquettes of a dynamic oeuvre where the aesthetic experience is solidly integrated to a direct and co-creative participation of the usufructuary.