Marta Petreu is the pen name of Rodica Marta Vartic, née Rodica Crisan (born 14 March 1955), a Romanian philosopher, literary critic, essayist and poet. A professor of philosophy at the Babeş-Bolyai University in Cluj-Napoca, she has published eight books of essays and seven of poetry, and is the editor of the monthly magazine Apostrof. Petreu is also noted as a historian of fascism, which she notably dealt with in her book about the controversial stances of philosopher Emil Cioran (An Infamous Past: E. M. Cioran and the Rise of Fascism in Romania, 1999).