Diogo Pinto de Freitas do Amaral (Portuguese pronunciation: [di'ogu 'f??jt?? du ?m?'?a?]; 21 July 1941 – 3 October 2019), known as Freitas do Amaral, was a Portuguese politician and law professor.
He was Minister of Foreign Affairs from 10 January 1980 to 12 January 1981 and from 12 March 2005 to 3 July 2006.
He also served briefly as Prime Minister in an interim capacity in the early 1980s.