thumb|José Ribeiro e Castro in 2025
José Duarte de Almeida Ribeiro e Castro (born Lisbon, 24 December 1953) is a Portuguese lawyer and politician. He was the leader of the People's Party from 24 April 2005 to 2007, when he was replaced again by Paulo Portas.
He was also a Member of the European Parliament (MEP) from 1999 to 2009, for the Social Democratic Party–People's Party coalition;