Maria Helena Diniz (born 1956, São Paulo) is a Brazilian jurist and professor.
She currently holds the chair of full professor of Civil Law[2] at the Pontifical Catholic University of São Paulo,[3] where she obtained her master's (1974) and doctorate (1976) degrees.
She is the author of more than forty books and articles in the field of law, mainly in the civil area.
[4] In constitutional law, Maria Helena Diniz proposes a new classification, based on intangibility and the production of concrete effects.
Both works are issued by Saraiva publishing house.