Carlos Alberto do Vale Gomes Carvalhas (born in São Pedro do Sul , November 9, 1941) is a Portuguese politician and former Secretary-General of the Portuguese Communist Party (1992-2004), succeding the historical leader Álvaro Cunhal.

He was a candidate to the Portuguese presidency in 1991, where he received 635,373 votes (12,92%).

On 5 October 2004, he announced his intention to resign. He was replaced by Jerónimo de Sousa on 27 November 2004, at the 17th Congress of the PCP.