Mariela Castro Espín (born July 27, 1961 in Havana, Cuba) is the director of the Cuban National Center for Sex Education in Havana and an activist for LGBT rights in Cuba.
She is the daughter of current Cuban president Raúl Castro and feminist and revolutionary Vilma Espín as well as the niece of former president Fidel Castro. She has a brother, Alejandro Castro Espín.
Her group campaigns for effective AIDS prevention as well as recognition and acceptance of homosexuality, bisexuality, transvestism, and transsexualism human rights. In 2005 she proposed a project to allow transgender people to receive sex reassignment surgery and change their legal gender. The measure became law in June 2008 which allows sex change surgery for Cubans without charge.
Mariela Castro is president of the Cuban Multidisciplinary Centre for the Study of Sexuality, president of the National Commission for Treatment of Disturbances of Gender Identity, member of the Direct Action Group for Preventing, Confronting, and Combatting AIDS, and an executive member of the World Association for Sexual Health (WAS). She is also the director of the journal Sexología y Sociedad, a magazine of Sexology edited by her own National Center for Sex Education (CENESEX).
She has published 13 scholarly articles and nine books.
Mariela is now married to Italian Paolo Titolo, General Manager of Amorim Negocios Internacionais, S.A. in Cuba, and has two children with him, plus a daughter from her previous marriage with the Chilean former FPMR member Juan Gutiérrez Fischmann.