Giambattista Basile was an Italian poet, courtier, and fairy tale collector. His collections include the oldest recorded forms of many well-known European fairy tales. He is chiefly remembered for writing the collection of Neapolitan fairy tales known as Il Pentamerone.

Giambattista della Porta, also known as Giovanni Battista Della Porta, was an Italian scholar, polymath and playwright who lived in Naples at the time of the Renaissance, Scientific Revolution and Reformation.

Giambattista Felice Zappi (1667 – 30 July 1719) was an Italian poet.

Giambattista Marino was an Italian poet who was born in Naples. He is most famous for his epic L'Adone.

Giambattista Toderini was a Venetian philosopher, writer, and former Jesuit abbot.

Giambattista Vico was an Italian philosopher, rhetorician, historian, and jurist during the Italian Enlightenment. He criticized the expansion and development of modern rationalism, finding Cartesian analysis and other types of reductionism impractical to human life, and he was an apologist for classical antiquity and the Renaissance humanities, in addition to being the first expositor of the fundamentals of social science and of semiotics. He is recognised as one of the first Counter-Enlightenment figures in history.

Abbé Giovanni Maria Ortes was a Venetian composer, economist, mathematician, Camaldolese monk, and philosopher. He is better known for his population predictions that preceded those of Malthus.

Gian Biagio Conte is an Italian classicist and professor of Latin Literature at the Scuola Normale Superiore of Pisa.

Gian Domenico Romagnosi was an Italian philosopher, economist and jurist.

Gian Giorgio Trissino, also called Giovan Giorgio Trissino and self-styled as Giovan Giωrgio Trissino, was a Venetian Renaissance humanist, poet, dramatist, diplomat, grammarian, linguist, and philosopher.