Antonio Ramon Díaz Sánchez (born July 14, 1962) is a Cuban dissident.
He participated in the gathering of signatures for the Varela project and was a member of the Christian Liberation Movement.Antonio Díaz Sánchez was imprisoned during the 2003 crackdown on dissidents.
Amnesty International declared him a prisoner of conscience.His wife, Gisela Sanchez Verdecia, was active in the Ladies in White.In 2010, Díaz Sánchez was exiled to Spain along with nineteen other political prisoners.