Italian authors
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| Author (number of quotes) | Description |
| A | |
| Alberti, Leon Battista (1) | Italian architect, linguist, author and philosopher |
| Amati, Daniele (1) | Italian physicist |
| B | |
| Betti, Ugo (1) | Italian judge |
| Bocelli, Andrea (1) | Italian singer |
| Bruno, Giordano (1) | Italian philosopher |
| C | |
| Calvino, Italo (1) | Italian author |
| Cardano, Girolamo (1) | Italian mathematician, physicist, doctor and astronomer |
| Carletti, Elio (1) | Italian painter |
| Crescenzo, Luciano De (1) | Italian author, actor and director |
| E | |
| Eco, Umberto (7) | Italian author |
| F | |
| Ferrari, Enzo Anselmo (1) | Italian motor racing driver and entrepreneur |
| G | |
| Galilei, Galileo (8) | Italian scientist |
| Gotti, John (2) | Italian-American gangster |
| L | |
| LaGrange, Joseph-Louis (1) | Italian-born French mathematician and astronomer |
| Loren, Sophia (1) | Italian actress |
| M | |
| Machiavelli, Niccolo (1) | Italian author and politician |
| Madonna (3) | stage name of Madonna Louise Ciccone, Italian-born American singer, actress |
| R | |
| Rossi, Valentino (1) | Italian motorcycle road racer |
| Rovelli, Carlo (20) | Italian physicist and author |
| Rubbia, Carlo (1) | Italian physicist |
| V | |
| Versace, Donatella (1) | Italian fashion designer |
| Vico, Giambattista (1) | Italian philosopher |
| Vinci, Leonardo da (5) | Italian painter, scientist, sculptor, architect, composer, poet and author |
| Volta, Alessandro (1) | Italian physicist |