| classless | sin clases |
| Classless Inter-Domain Routing | CIDR |
| classmate | condiscípulo |
| classroom | clase |
| classy | de alta calidad |
| clastic | clástico |
| clatter | estrépito |
| Claude | Claudio |
| Claude Adrien Helvétius | Claude-Adrien Helvetius |
| Claude Bernard | Claude Bernard |
| Claude Cahun | Claude Cahun |
| Claude Chabrol | Claude Chabrol |
| Claude Chappe | Claude Chappe |
| Claude Cohen-Tannoudji | Claude Cohen-Tannoudji |
| Claude Criquielion | Claude Criquelion |
| Claude Debussy | Claude Debussy |
| Claude Frollo | Claude Frollo |
| Claude Gillot | Claude Gillot |
| Claude Jade | Claude Jade |
| Claude Joseph Rouget de Lisle | Rouget de Lisle |
| Claude Joseph Vernet | Claude Joseph Vernet |
| Claude Lanzmann | Claude Lanzmann |
| 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 de Francia |
| Claude of Valois | Claudia de Francia |
| Claude Shannon | Claude Elwood Shannon |
| Claude Simon | Claude Simon |
| Claude Vorilhon | Rael |
| Claude-Louis Navier | Claude-Louis Navier |
| Claude-Philibert Barthelot de Rambuteau | Claude Philibert Barthelot |
| Claudette Colbert | Claudette Colbert |
| Claudia | Claudia |
| Claudia Acte | Actea |
| Claudia Cardinale | Claudia Cardinale |
| Claudia Octavia | Octavia |
| Claudia Schiffer | Claudia Schiffer |
| Claudian | Claudiano |
| Claudianus Mamertus | Claudiano |
| claudication | claudicación |
| Claudine Longet | Claudine Longet |
| Claudio Abbado | Claudio Abbado |
| Claudio Arrau | Claudio Arrau |
| Claudio Borghi | Claudio Borghi |
| Claudio Caniggia | Claudio Caniggia |
| Claudio Dianu | Claudio Dianu |
| Claudio Gentile | Claudio Gentile |
| Claudio Husaín | Claudio Husaín |
| Claudio López | Claudio Javier López |
| Claudio Magris | Claudio Magris |
| Claudio Monteverdi | Claudio Monteverdi |
| Claudio Reyna | Claudio Reyna |
| Claudio Wílliman | Claudio Williman |
| Claudiosaurus | Claudiosaurus |
| Claudius | Claudio |
| Claudius Aelianus | Claudio Eliano |
| Claudius I | Claudio |
| Claudius II | Claudio II |
| Claudius Pompeianus | Claudio Pompeyano |
| Claus Bech Jørgensen | Claus Bech Jørgensen |
| Claus Schenk Graf von Stauffenberg | Claus von Stauffenberg |
| Claus von Amsberg | Claus von Amsberg |
| clause | cláusula |
| clause in the articles | cláusula |
| Clausius-Clapeyron relation | Relación de Clausius-Clapeyron |
| claustrophobia | claustrofobia |
| claustrophobic | claustrofóbico |
| Clausula rebus sic stantibus | Rebus sic stantibus |
| Clavaleyres | Clavaleyres |
| clavichord | clavicordio |
| clavicle | clavícula |
| Clavicle fracture | Fractura de clavícula |
| clavicular | clavicular |
| claw | garra |
| claw hammer | martillo sacaclavos |
| Claw vending machine | Grúa de Habilidad |
| clay | arcilla |
| Clay animation | Claymation |
| Clay County | Condado de Clay |
| Clay court | Tierra batida |
| Clay Mathematics Institute | Clay Mathematics Institute |
| Clay minerals | Arcilla |
| clay pigeon | platillo |
| clay pigeon shooting | tiro al platillo |
| Clay Regazzoni | Clay Regazzoni |
| clayey | arcilloso |
| Clayface | Cara de Barro |
| claymore | espada escocesa |
| Clayton Antitrust Act | Ley Clayton Antitrust de los Estados Unidos de América |
| Clayton-Bulwer Treaty | Tratado Clayton-Bulwer |
| clean | limpiar |
| clean air area | zona de aire limpio |
| clean air car | vehículo ecológico |
| clean and jerk | dos tiempos |
| Clean method | Método de deconvolución |
| clean off | zamparse |
| clean out | limpiar |
| clean technology | tecnología limpia |
| clean up | rehabilitar |
| clean-cut | explícito |
| clean-shaven | bien afeitado |
| Cleander of Gela | Cleandro de Gela |
| cleaner | mujer de la limpieza |
| cleaner's | lavandería |
