| Clay Mathematics Institute | Millenniumprijsprobleem |
| Clay Regazzoni | Clay Regazzoni |
| Clayton | Clayton |
| Clearwater | Clearwater |
| Cledauco | Cledaucus |
| Cleebronn | Cleebronn |
| Clefi | Cleph |
| Clefmont | Clefmont |
| Clelia | Cloelia |
| clematide | clematis |
| Clematis vitalba | Bosrank |
| Clemency | Clemency |
| Clemens August von Galen | Clemens August von Galen |
| Clemens Brentano | Clemens Brentano |
| Clement Attlee | Clement Attlee |
| clemente | barmhartig |
| Clemente Alessandrino | Clemens van Alexandrië |
| Clemente Augusto di Baviera | Clemens August I van Beieren |
| Clemente Domínguez y Gómez | Tegenpaus Gregorius XVII |
| Clementina del Belgio | Clementina van België |
| Clementine | Clementine |
| clemenza | meegaandheid |
| Clenleu | Clenleu |
| Cleobulo | Cleobulus |
| Cleombroto I | Cleombrotus I van Sparta |
| Cleomene I | Cleomenes I van Sparta |
| Cleone | Cleon |
| Cleopatra | Cleopatra |
| Cleopatra di Macedonia | Cleopatra |
| Cleopatra Euridice di Macedonia | Cleopatra |
| Cleopatra I | Cleopatra I |
| Cleopatra II | Cleopatra II |
| Cleopatra III | Cleopatra III |
| Cleopatra IV | Cleopatra IV |
| Cleopatra V | Cleopatra V |
| Cleopatra VII | Cleopatra VII |
| Cleptocrazia | Kleptocratie |
| cleptomane | kleptomaan |
| cleptomania | kleptomanie |
| clericale | geestelijk |
| clericalismo | klerikalisme |
| Clermont | Clermont |
| Clermont Foot Auvergne | Clermont Foot Auvergne |
| Clermont-Ferrand | Clermont-Ferrand |
| Clermont-le-Fort | Clermont-le-Fort |
| clero | geestelijkheid |
| Clerques | Clerques |
| Clerval | Clerval |
| Clervaux | Clervaux |
| clessidra | zandloper |
| Cleto | Paus Anacletus I |
| Cletus e Brandine Spuckler | Cletus Spuckler |
| Cleveland | Cleveland |
| Cleveland Abbe | Cleveland Abbe |
