Guglielmo Cinque (born 1948 in La Spezia) is an Italian linguist and professor of linguistics at the Ca' Foscari University of Venice.
He is an honorary member of the Linguistic Society of America.
Cinque works in the fields of generative grammar and language typology.
Together with Luigi Rizzi he belongs to the founding figures of cartographic syntax, a research area devoted to the fine structure of languages.
He is the editor (together with Richard Kayne) of The Oxford Handbook of Comparative Syntax.