Santos Juliá Díaz (16 September 1940 – 23 October 2019) was a Spanish historian and sociologist.

Born in Ferrol in 1940,[1] he spent some of his first years in Vigo, moving soon to Seville,[2] where he studied at the Instituto San Isidoro.

[2] Juliá joined the Universidad Nacional de Educación a Distancia (UNED) as lecturer in 1979,[2] earning a PhD in Political Science and Sociology at the Complutense University of Madrid[4] with a dissertation elaborated in the 1980s.

[5] Since 1980, Juliá wrote pieces as columnist for El País.

[6] He obtained the Chair of Social History and Political Thought at the UNED in 1989.