Ramón Xirau Subías (Spanish: [raˈmon ʃiˈɾaw], Catalan: [rəˈmoɲ ʃiˈɾaw]; 20 January 1924 – 26 July 2017) was a Spanish-born Mexican poet, philosopher and literary critic. In 1939, as the Spanish civil war was coming to an end, Xirau emigrated to Mexico where he obtained Mexican citizenship in 1955. He obtained a Master's Degree in philosophy at the UNAM and an honorary doctorate from the Universidad de las Américas. He was a research faculty member of the UNAM y and the National System of Researchers. At the UNAM he taught at the Faculty of Philosophy and Literature and did research at the Institute of Philosophy Research. He was a member of the Colegio Nacional since 1973.