Duarte Pinto de Carvalho de Freitas do Amaral, GCIH, ComC KCSG; (13 May 1909 – 16 July 1979) was a Portuguese politician.
He was the fourth of six children of Duarte do Amaral Pinto de Freitas and wife Ana Mendes Ribeiro de Oliveira, and the brother of Gaspar Pinto de Carvalho de Freitas do Amaral.
He was a Licentiate in Civil Engineering from the University of Porto.
A landowner, he became the Lord by purchase of the House of an Aveleira, in Pencelo, Guimarães.
He became a Deputy to the National Assembly of Portugal and a Voter of the Superior Councils of the Industry and the Combustibles, Vice President of the Administration Council of Sacor and President of the Administration Councils of Cidla and Petroquímica.
Portugal: Honorary Citizen of Póvoa de VarzimHe married at the Chapel of the Patriarchate in Lisbon on 12 December 1936 Maria Filomena de Campos Trocado, born in Póvoa de Varzim on 8 July 1913, sister of his sister in law, daughter of Dr. Josué Francisco Trocado and wife Maria Alves de Campos, and had four children: