Carlo Betocchi (23 January 1899 – 25 May 1986) was an Italian writer from Turin. Among the hermetic poets, he is considered a moral guide. However, unlike them, he based his poems on direct language, realism and moral tension.

Carlo Bon Compagni, Count of Mombello was an Italian judge, educator and politician.

Carlo Carraro is the chancellor of the University of Venice for the three-year period 2009–2012, with a two-year extension of his mandate in accordance to the Gelmini University Law bringing it up to summer 2014. He is also professor of environmental economics at the same university. He is director of the Sustainable Development Programme of the Fondazione Eni Enrico Mattei and director of the Climate Impacts and Policy Division of the Euro-Mediterranean Center for Climate Change (CMCC). In 2008, Carraro was elected vice-chair of the Working Group III and member of the bureau of the Nobel Laureate Intergovernmental Panel on Climate Change (IPCC).

Carlo Carretto was an Italian writer and member of the Catholic congregation of the Little Brothers of the Gospel.

Carlo Cassola was an Italian novelist and essayist. His novel La Ragazza di Bube (1960), which received the Strega Prize, was adapted into a film of the same name by Luigi Comencini in 1963.

Carlo Cattaneo was an Italian philosopher, writer, and activist, famous for his role in the Five Days of Milan in March 1848, when he led the city council during the rebellion.

Carlo Celano was an Italian lawyer and man of letters, who led the restoration of the church of Santa Restituta in his birthplace of Naples and left an accurate census of the city's monuments, updated up to the end of the 17th century.

Carlo Lorenzini, better known by the pen name Carlo Collodi, was an Italian author, humourist, and journalist, widely known for his fairy tale novel The Adventures of Pinocchio.

Carlo Giovanni Maria Denina was an Italian historian. The unique contribution of Carlo Denina was to write a history of Italy from a “national” perspective, which significantly differed from other historians who mainly wrote from a “city state” or “localized” perspective during that time.

Carlo Dionisotti was an Italian literary critic, philologist and essayist. An alumnus of Turin University and a lifelong friend of Arnaldo Momigliano, he shortly lectured at Oxford before moving to Bedford College, London, where he held the post of Professor of Italian from 1949 to 1970.