Marcia Tiburi (Vacaria, 1970) is a Brazilian philosopher, plastic artist, literary critic and writer. In 1990 she graduated in Philosophy from the Pontifical Catholic University of Rio Grande do Sul, where she obtained a master's degree in 1994; In 1999 she received her doctorate in Contemporary Philosophy from the Federal University of Rio Grande do Sul. Likewise, in 1996 she graduated in Plastic Arts from the Federal University of Rio Grande do Sul. She is a professor in the Graduate Program in Education, Art and History of the Culture of the Mackenzie Presbyterian University, as well as director of the Pasajes School of Philosophy, in Rio de Janeiro. In the 2018 elections she was a candidate for governor of the state of Rio de Janeiro for the Workers' Party.

Collaborator on different television programs, she is the author of both essay books and novels. Among her publications it is worth mentioning the anthology As Mulheres e a Filosofia, Filosofia Cinza – a melancolia e o corpo nas dobras da written, Metamorfoses do Conceito and Feminismo em Comum – Para Todos, Todes e Todos.