Cesare Seassaro (25 March 1891 in Pavia, Italy – 15 November 1921 in Rijeka, Croatia) was a socialist journalist and publicist.
Originally from a bourgeois family, Seassaro became an active Catholic socialist after participating in the First World War.
[1][2] He eventually became an early member of the Communist Party of Italy.In 1919, he wrote for the weekly L'Ordine Nuovo founded by Antonio Gramsci.
[3] Seassaro began working for the Triestine communist newspaper Il Lavoratore in September 1921, after it had restarted publication following a Fascist attack in February 1921.
[4][5] Seassaro wrote various articles for Il Lavoratore that fused communist theory and current events on topics such as internationalism, Fascism, and revolution.