| clavichordium | clavichord |
| Clavier | Keyboard |
| Claviere | Claviere |
| claxon | horn |
| claxonneren | honk |
| Clay Regazzoni | Clay Regazzoni |
| Clayface | Clayface |
| Clayton County | Clayton County |
| Clear channel | Clear Channel Communications |
| Cleareiland | Clear Island |
| Cledaucus | Cledaucus |
| Cleebronn | Cleebronn |
| clematis | clematis |
| Clemens | Clement |
| Clemens August I van Beieren | Clemens August of Bavaria |
| Clemens August von Galen | Clemens August Graf von Galen |
| Clemens Brentano | Clemens Brentano |
| Clemens Krauss | Clemens Krauss |
| Clemens Maria Hofbauer | Clemens Maria Hofbauer |
| Clemens van Alexandrië | Clement of Alexandria |
| Clemens van Ohrid | Clement of Ohrid |
| Clemens von Pirquet | Clemens von Pirquet |
| Clement Attlee | Clement Attlee |
| clementie | clemency |
| Clementine van Orléans | Princess Clémentine of Orléans |
| Clementinum | Clementinum |
| Clenleu | Clenleu |
| Clenze | Clenze |
| Cleobulus | Cleobulus |
| Cleombrotus I van Sparta | Cleombrotus I |
| Cleomenes | Cleomenes |
| Cleomenes I van Sparta | Cleomenes I |
| Cleomenes II van Sparta | Cleomenes II |
| Cleomenes III van Sparta | Cleomenes III |
| Cleon | Cleon |
| Cleonae | Cleonae |
| Cleopatra | Cleopatra |
| Cleopatra I | Cleopatra I of Egypt |
| Cleopatra II | Cleopatra II of Egypt |
| Cleopatra III | Cleopatra III of Egypt |
| Cleopatra IV | Cleopatra IV of Egypt |
| Cleopatra Selena | Cleopatra Selene |
| Cleopatra Selena I | Cleopatra Selene I |
| Cleopatra Selena II | Cleopatra Selene II |
| Cleopatra V | Cleopatra V of Egypt |
| Cleopatra VI | Cleopatra VI of Egypt |
| Cleopatra VII | Cleopatra VII |
| Cleophon | Cleophon |
| Cleph | Cleph |
| Clerici Regulares Minores | Clerics Regular Minor |
| Clericis Laicos | Clericis laicos |
| Clermont Foot Auvergne | Clermont Foot |
| Clermont-Ferrand | Clermont-Ferrand |
| clerus | clergy |
| Clervaux | Clervaux |
| Clethraceae | Clethraceae |
| Cletus Spuckler | Cletus Spuckler |
| Cleveland | Cleveland |
| Cleveland Abbe | Cleveland Abbe |
| Cleveland bay | Cleveland Bay |
| Cleveland Browns | Cleveland Browns |
| Cleveland Cavaliers | Cleveland Cavaliers |
| Cleveland County | Cleveland County |
| Cleveland Indians | Cleveland Indians |
| Cleveland-klasse | Cleveland class cruiser |
| Clibanarius | Clibanarii |
| Clichy-sous-Bois | Clichy-sous-Bois |
| cliché | negative |
| clichéuitdrukking | catchphrase |
| Clickertraining | Clicker training |
| Cliens | Cliens |
| Client-centered therapie | Person-centered psychotherapy |
| Client-servermodel | Client-server |
| clientèle | patronage |
| Cliff Burton | Cliff Burton |
| Cliff Richard | Cliff Richard |
| Cliffhanger | Television serial |
| Cliffoney | Cliffoney |
| Clifford Geertz | Clifford Geertz |
| Clifford James Geertz | Clifford Geertz |
| Clifton Suspension Bridge | Clifton Suspension Bridge |
| clignoteur | blinker |
