Dulce Maria Guimarães de Castro Figueiredo (May 11, 1923 – June 6, 2011) was the wife of former Brazilian president João Figueiredo and thus the First Lady of Brazil from 1979 to 1985.

After the death of her husband in December 1999, Dulce began to face financial difficulties.

Among the 218 objects auctioned were a bronze cowboy sculpture by Ronald Reagan; two paintings by Di Cavalcanti; a Portuguese statue of Roque de Montpellier presented by Antonio Carlos Magalhães; an inkwell brought by King Juan Carlos of Spain; a silver tray offered by Augusto Pinochet; and a box of cigars given by Valéry Giscard d'Estaing.

A widow since 1999, she died June 6, 2011, at a clinic in Botafogo, Rio de Janeiro aged 88.

Her body was buried in the mausoleum of the Figueiredos, in the Caju Cemetery.