Carlos Alberto Monteiro Dias da Graça (22 December 1931 – 17 April 2013) served as the 6th Prime Minister of São Tomé and Príncipe.

After 25 April 1974 revolution in Portugal he was a member of the transition government preparing the independence of São Tomé and Príncipe.

For this reason he was sentenced 24 years jail and had to exile again in 1977, becoming one of the main opponents to Manuel Pinto da Costa regime.

[5] He was asked by Pinto da Costa to come back to Sao Tome in 1987, in order to prepare the transition to a multi-party democracy.

[3][6] Graça was elected Chairman of the Committee on Social Affairs and at the end of the term in 2006 he moved away from the political party active life.