| cleavage | dekolt |
| cleave | przerywać |
| cleaver | tasak |
| Cleburne County | Hrabstwo Cleburne |
| Cleebronn | Cleebronn |
| clef | klucz |
| Clefs | Klucz |
| cleft | szczelina |
| Cleft of venus | Cameltoe |
| Cleidocranial dysostosis | Dysplazja obojczykowo-czaszkowa |
| Cleisthenes | Klejstenes |
| Cleisthenes of Sicyon | Klejstenes |
| Cleistocactus | Kleistokaktus |
| Clemastine | Klemastyna |
| clematis | powojnik |
| Clematis flammula | Powojnik południowy |
| Clematis recta | Powojnik prosty |
| Clematis vitalba | Powojnik pnący |
| Clemens | Klemens |
| Clemens August Graf von Galen | Klemens August von Galen |
| Clemens August of Bavaria | Klemens August Wittelsbach |
| Clemens Brentano | Clemens Brentano |
| Clemens Maria Hofbauer | Klemens Maria Hofbauer |
| Clemens von Pirquet | Clemens Peter Freiherr von Pirquet |
| Clement | Klemens |
| Clement Arrindell | Clement Arrindell |
| Clement Attlee | Clement Richard Attlee |
| Clement of Alexandria | Klemens Aleksandryjski |
| Clement of Ohrid | Klemens z Ochrydy |
| Clemente Domínguez y Gómez | Clemente Domínguez y Gómez |
| Clemente Venceslao di Sassonia | Klemens Wacław Wettyn |
| Clementina Sobieski | Maria Klementyna Sobieska |
| Clementine probe | Klemencja |
| Clemson University | Uniwersytet Clemson |
| Clenleu | Clenleu |
| Cleomenes I | Kleomenes I |
| Cleon | Kleon |
| Cleon II | Cleon II |
| Cleopatra | Kleopatra |
| Cleopatra Eurydice of Macedon | Kleopatra |
| Cleopatra I of Egypt | Kleopatra I |
| Cleopatra II of Egypt | Kleopatra II |
| Cleopatra III of Egypt | Kleopatra III |
| Cleopatra of Macedon | Kleopatra |
| Cleopatra Selene | Kleopatra Selene |
| Cleopatra Selene II | Kleopatra Selene |
| Cleopatra Thea | Kleopatra Thea |
| Cleopatra VII | Kleopatra VII |
| Cleph | Klef |
| clergy | duchowieństwo |
| clergyman | duchowny |
| cleric | duchowny |
| clerical | duchowny |
| clerical collar | koloratka |
| Clerical fascism | Faszyzm klerykalny |
| Clerical script | Pismo kancelaryjne |
| Cleridae | Przekraskowate |
| Clermont Foot | Clermont Foot |
| Clermont-Ferrand | Clermont-Ferrand |
| Clermont-Ferrand Auvergne Airport | Port lotniczy Clermont-Ferrand |
| Clervaux | Kanton Clervaux |
| Cleveland | Cleveland |
| Cleveland Bay | Cleveland Bay |
| Cleveland Browns | Cleveland Browns |
| Cleveland Cavaliers | Cleveland Cavaliers |
| Cleveland class cruiser | Krążowniki typu Cleveland |
| Cleveland County | Hrabstwo Cleveland |
| Cleveland Indians | Cleveland Indians |
| clever | bystry |
| clever clogs | wykształciuch |
| Clever Hans | Mądry Hans |
| CLI | Powłoka systemowa |
| cliche | klisza |
| Clichy | Clichy |
| Clichy-sous-Bois | Clichy-sous-Bois |
| cliché | frazes |
| Clich‚ | Wyrażenie banalne |
| click | klikać |
