Cláudia Maria Costin (born January 24, 1956) is a Brazilian academic and civil servant.

[citation needed] The daughter of Maurício and Lídia Costin, she was born in São Paulo.

[1] Costin has served on the faculty of the Pontifical Catholic University of São Paulo, the Insper institution, the École nationale d'administration publique in Quebec, the Harvard Graduate School of Education and Eaesp.

She has been vice-president for the Fundação Victor Civita and executive secretary for the Helio Beltrao Institute.

She helped establish the Todos pela Educação [pt] and served on its technical committee.