Asamblea Nacional del Poder Popular de Cuba
Blas Roca Calderio (24 July 1908 – 25 April 1987) was a Cuban politician and Marxist theorist who served as President of the National Assembly of People's Power in Cuba from 1976 to 1981. He was also head of the pre-1959 revolution Communist Party of Cuba for 28 years and editor of the communist newspaper "Hoy". He was a signatory of the Cuban Constitution of 1940 and chaired the committee that wrote the country's first socialist constitution in 1976.