Ângela Maria Fernandes Diniz (10 November 1944, Belo Horizonte – 30 December 1976 Armação dos Búzios) was a Brazilian socialite who became famous after she was murdered at her own beach house in Praia dos Ossos, Búzios, Rio de Janeiro by her lover, Raul Fernandes do Amaral Street (commonly known as Doca Street).

[4] In 1976, while spending some time at their beach house in Búzios, Doca and Ângela had an argument, and she threw his briefcase at him.

Angela's life was considered for a movie to be directed by Roberto Farias, with Deborah Secco on the lead role,[6] but it was never produced.

In 2006, Doca Street published a book called Mea Culpa, in which he explains in detail how he met Angela, how they started an extramarital affair, how he left his wife and children to live with Ângela, and how he killed her.

[9] She was also portrayed by Marjorie Estiano in the 2024 biographical television series Ângela Diniz: O Crime da Praia dos Ossos.