Álvaro Barreirinhas Cunhal (Portuguese pronunciation: ['a?v??u ku'?a?]; 10 November 1913 – 13 June 2005) was a Portuguese communist revolutionary and politician.
He was one of the major opponents of the dictatorial regime of the Estado Novo.
He served as secretary-general of the Portuguese Communist Party (PCP) from 1961 to 1992.
He was one of the most pro-Soviet of all western Europe communist leaders, often supporting the Soviet Union's foreign policies, including the intervention in Czechoslovakia in 1968.