| classified | segreto |
| classified ad | annuncio economico |
| classify | sistemare |
| classiness | eleganza |
| Classisism | Classismo |
| Classism | Classismo |
| classless | senza classi |
| Classless Inter-Domain Routing | CIDR |
| classlessness | senza classi |
| classmate | compagno di corso |
| classroom | aula |
| classy | chic |
| Clastidium | Casteggio |
| clathrate | clatrato |
| clathrate compound | clatrato |
| Clathrate hydrate | Clatrato idrato |
| Clathrin | Clatrina |
| clatter | sbattere |
| Claude | Claudio |
| Claude Adrien Helvétius | Claude-Adrien Helvétius |
| Claude Bernard | Claude Bernard |
| Claude Chabrol | Claude Chabrol |
| Claude Chappe | Claude Chappe |
| Claude Charles Fauriel | Claude Fauriel |
| Claude Criquielion | Claude Criquielion |
| Claude de la Colombière | Claude La Colombière |
| Claude Debussy | Claude Debussy |
| Claude Frollo | Claude Frollo |
| Claude Gillot | Claude Gillot |
| Claude Jade | Claude Jade |
| Claude Joseph Rouget de Lisle | Claude Joseph Rouget de Lisle |
| Claude Lanzmann | Claude Lanzmann |
| Claude Lelouch | Claude Lelouch |
| Claude Lorrain | Claude Lorrain |
| Claude Louis Berthollet | Claude Louis Berthollet |
| Claude Lévi-Strauss | Claude Lévi-Strauss |
| Claude Makélélé | Claude Makélélé |
| Claude Monet | Claude Monet |
| Claude Nicolas Ledoux | Claude-Nicolas Ledoux |
| Claude of France | Claudia di Francia |
| Claude of Valois | Claudia di Valois |
| Claude Shannon | Claude Shannon |
| Claude Simon | Claude Simon |
| Claude-Louis Navier | Claude-Louis Navier |
| Claudette Colbert | Claudette Colbert |
| Claudia | Claudia |
| Claudia Acte | Claudia Atte |
| Claudia Antonia | Claudia Antonia |
| Claudia Cardinale | Claudia Cardinale |
| Claudia Muzio | Claudia Muzio |
| Claudia Octavia | Ottavia |
| Claudia Schiffer | Claudia Schiffer |
| Claudian | Claudio Claudiano |
| Claudianus Mamertus | Claudio Claudiano |
| claudication | claudicazione |
| Claudio Abbado | Claudio Abbado |
| Claudio Acquaviva | Claudio Acquaviva |
| Claudio Arrau | Claudio Arrau |
| Claudio Borghi | Claudio Borghi |
| Claudio Caniggia | Claudio Paul Caniggia |
| Claudio Fava | Giovanni Claudio Fava |
| Claudio Gentile | Claudio Gentile |
| Claudio Husaín | Claudio Husaín |
| Claudio López | Claudio López |
| Claudio Magris | Claudio Magris |
| Claudio Monteverdi | Claudio Monteverdi |
| Claudio Morel | Claudio Marcelo Morel Rodríguez |
| Claudio Reyna | Anorthosis Famagosta |
| Claudio Villa | Claudio Villa |
| Claudio Wílliman | Claudio Williman |
| Claudius | Claudio |
| Claudius Aelianus | Claudio Eliano |
| Claudius I | Claudia |
| Claudius II | Claudio II il Gotico |
| Claudius Pompeianus | Tiberio Claudio Pompeiano |
| Claudius Silvanus | Claudio Silvano |
| Claus Schenk Graf von Stauffenberg | Claus Schenk von Stauffenberg |
| clause | clausola |
| clause in the articles | clausola |
| Clausius-Mossotti relation | Equazione di Clausius-Mossotti |
| claustral | claustrale |
| claustrophobia | claustrofobia |
