| clematis | clemátide |
| Clematis flammula | Clematis flammula |
| Clematis recta | Clematis recta |
| Clematis vitalba | Clematis vitalba |
| clemency | sufrimiento |
| Clemens Brentano | Clemente Brentano |
| Clemens Krauss | Clemens Krauss |
| Clement Attlee | Clement Attlee |
| Clement of Alexandria | Clemente de Alejandría |
| Clemente Domínguez y Gómez | Antipapa Gregorio XVII |
| Clemente Rodríguez | Clemente Rodríguez |
| Clementine probe | Clementine |
| Clemenz Opening | Apertura Clemenz |
| Clemmensen reduction | Reducción de Clemmensen |
| clench | apretar |
| Cleobulus | Cleóbulo de Lindos |
| Cleombrotus I | Cleómbroto II |
| Cleomenes I | Cleómenes I |
| Cleomenes II | Cleómenes II |
| Cleomenes III | Cleómenes III |
| Cleon | Cleón de Atenas |
| Cleopatra | Cleopatra |
| Cleopatra Eurydice of Macedon | Cleopatra |
| Cleopatra I of Egypt | Cleopatra I de Egipto |
| Cleopatra II of Egypt | Cleopatra II de Egipto |
| Cleopatra III of Egypt | Cleopatra III |
| Cleopatra IV of Egypt | Cleopatra IV |
| Cleopatra of Macedon | Cleopatra |
| Cleopatra Selene | Cleopatra Selene |
| Cleopatra Selene I | Cleopatra Selene I |
| Cleopatra Selene II | Cleopatra Selene II |
| Cleopatra V of Egypt | Cleopatra VI |
| Cleopatra VI of Egypt | Cleopatra VI |
| Cleopatra VII | Cleopatra VII |
| clepsydra | clepsidra |
| clerestory | triforio |
| clergy | clero |
| clergyman | clérigo |
| clergyperson | clérigo |
| clergywoman | clériga |
| cleric | eclesiástico |
| clerical | clerical |
| clerical collar | alzacuellos |
| Clerical fascism | Fascismo clerical |
| clericalism | clericalismo |
| Clericis laicos | Clericis Laicos |
| Clerity | Celeritas |
| clerk | dependiente |
| Clerke Rocks | Rocas Clerke |
| Clerks II | Clerks II |
| Clermont Foot | Clermont Foot Auvergne |
| Clermont-Ferrand | Clermont-Ferrand |
| Clerodendrum | Clerodendrum |
| Clervaux | Cantón de Clervaux |
| Clethra | Clethra |
| Clethraceae | Clethraceae |
| Cletus Spuckler | Cletus Spuckler |
| Cleveland | Cleveland |
| Cleveland Abbe | Cleveland Abbe |
| Cleveland Browns | Cleveland Browns |
| Cleveland Cavaliers | Cleveland Cavaliers |
| Cleveland Gladiators | Las Vegas Gladiators |
| Cleveland Hopkins International Airport | Aeropuerto Internacional de Cleveland-Hopkins |
| Cleveland Indians | Cleveland Indians |
| Cleveland Orchestra | Orquesta de Cleveland |
| clever | cauto |
| clever reply | réplica |
| cleverly | hábilmente |
| cleverness | habilidad |
| CLI | Intérprete de comandos |
| cliche | cliché |
| Clichy | Clichy |
| Clichy-sous-Bois | Clichy-sous-Bois |
| cliché | cliché |
| click | golpecito |
| Click-through rate | Proporción de clics |
| clicking | chasquido |
| client | cliente |
| Client-server | Cliente-servidor |
| Client-To-Client Protocol | CTCP |
| clientele | clientela |
| cliff | precipicio |
| Cliff Allison | Cliff Allison |
| Cliff Burton | Cliff Burton |
| Cliff Martinez | Cliff Martínez |
| Cliff Richard | Cliff Richard |
| cliffhanger | melodrama |
| Clifford algebra | Álgebra de Clifford |
| Clifford Geertz | Clifford Geertz |
| Clifford Husbands | Clifford Husbands |
| Clifford Shull | Clifford Glenwood Shull |
| Cliffs of Moher | Acantilados de Moher |
| Clifton McNeeley | Clifotn Neeley |
| climacteric | período climatérico |
