| Clermont-Ferrand | Clermont-Ferrand |
| Clermont-le-Fort | Clermont-le-Fort |
| clero | duchowieństwo |
| Clerques | Clerques |
| Clerval | Clerval |
| Clervaux | Clervaux |
| clessidra | zegar wodny |
| Cleto | Anaklet |
| Cleveland | Cleveland |
| Cleveland Browns | Cleveland Browns |
| Cleveland Cavaliers | Cleveland Cavaliers |
| Cleveland Indians | Cleveland Indians |
| Cleyrac | Cleyrac |
| clicca | kliknięcie |
| cliccare | klikać |
| Clichy | Clichy |
| Clichy-sous-Bois | Clichy-sous-Bois |
| cliché | frazes |
| Client di posta | Mail User Agent |
| cliente | klient |
| Cliff Burton | Cliff Burton |
| Cliff Richard | Cliff Richard |
| Clifford Geertz | Clifford Geertz |
| Clifford Robinson | Clifford Robinson |
| clima | klimat |
| clima continentale | klimat kontynentalny |
| clima desertico | klimat pustynny |
| clima equatoriale | klimat równikowy |
| clima mediterraneo | klimat śródziemnomorski |
| clima montano | klimat górski |
| clima oceanico | klimat oceaniczny |
| Clima tropicale | Tropik |
| Climatizzazione | HVAC |
| climatologia | klimatologia |
| climax | zbiorowisko klimaksowe |
| Climbach | Climbach |
| clinica | medycyna |
| Clinker di cemento | Klinkier cementowy |
| Clint Eastwood | Clint Eastwood |
| Clinton | Clinton |
| Clio | Klio |
| Cliometria | Kliometria |
| Cliousclat | Cliousclat |
| clip | klips |
| Clipper | Kliper |
| Clissa | Klis |
| Clistene | Klejstenes |
| Clistene di Sicione | Klejstenes |
| Clitellata | Siodełkowce |
| Clitennestra | Klitajmestra |
| Clitico | Enklityka |
| Clitopilus | Sadówka |
| Clitopilus prunulus | Sadówka podsadka |
| clitoride | łechtaczka |
| clitoridectomia | klitoridektomia |
| Clive Barker | Clive Barker |
| Clive Burr | Clive Burr |
| Clive Granger | Clive Granger |
| Clive Owen | Clive Owen |
| Clive Sinclair | Clive Sinclair |
| Clive Staples Lewis | Clive Staples Lewis |
| Cloaca Massima | Cloaca Maxima |
| Cloak e Dagger | Płaszcz ziemski |
| Cloaking | Cloaking |
| Clock | Zegar |
| Clodia Pulcra | Klodia |
| Clodio Albino | Klodiusz Albinus |
| Clodione | Klodian |
| Clodomiro | Chlodomer |
| Clodoveo | Chlodwig I |
| Clodoveo I | Chlodwig I |
| Clomipramina | Klomipramina |
| Clonaggio genico | Klon |
| clonare | klonować |
| Clonazepam | Klonazepam |
| clonazione | klonowanie |
| clone | klon |
| Clone Wars | Wojny Klonów |
| Clonidina | Klonidyna |
| Clonmel | Clonmel |
| Cloracne | Trądzik chlorowy |
| Cloramfenicolo | Chloramfenikol |
| Clorammine | Chloroamina |
| clorato | chloran |
| Clorato di potassio | Chloran potasu |
| Clordiazepossido | Chlordiazepoksyd |
| Clorexidina | Chlorheksydyna |
| cloro | chlor |
| clorofenoli | chlorofenol |
| clorofilla | chlorofil |
| clorofluorocarburi | chlorofluorowęglowodory |
| cloroformio | chloroform |
| Cloroplasto | Chloroplast |
| clorosi | chloroza |
| Clorpromazina | Chlorpromazyna |
| clorurazione | chlorowanie wody |
| cloruro | chlorek |
| Cloruro di acetile | Chlorek acetylu |
| Cloruro di bario | Chlorek baru |
| Cloruro di calcio | Chlorek wapnia |
| cloruro di polivinile | polichlorek winylu |
| Cloruro di potassio | Chlorek potasu |
| Cloruro di sodio | Chlorek sodu |
| Cloruro di solforile | Chlorek sulfurylu |
| Cloruro di tionile | Chlorek tionylu |
| Cloruro manganoso | Chlorek manganu |
| Cloruro mercurico | Chlorek rtęci |
| Cloruro mercuroso | Chlorek rtęci |
| Cloruro rameico | Chlorek miedzi |
| Cloruro rameoso | Chlorek miedzi |
| Cloruro stannico | Chlorek cyny |
| Cloruro stannoso | Chlorek cyny |
| Close to Home | Krok od domu |
| Close-In Weapon System | CIWS |
| Closer | Bliżej |
| Clostridium | Clostridium |
| Clostridium tetani | Laseczka tężca |
| Clotario I | Chlotar I |
| Clotario II | Chlotar II |
| Clotilde | Klotylda |
| Cloto | Kloto |
| Clotoide | Klotoida |
| Clouange | Clouange |
| Cloud Strife | Cloud Strife |
| Clover | Clover |
| Clovertown | Intel Core Microarchitecture |
| Clovis | Kultura Clovis |
| Cloyster | Cloyster |
| club | stowarzyszenie |
| Club América | América Meksyk |
| Club Atlético Arsenal | Arsenal Sarandi Buenos Aires |
| Club Atlético Banfield | Banfield Buenos Aires |
| Club Atlético Bella Vista | Bella Vista Montevideo |
| Club Atlético Boca Juniors | Club Atlético Boca Juniors |
| Club Atlético Huracán | Huracán Buenos Aires |
| Club Atlético Independiente | Independiente Buenos Aires |
| Club Atlético Lanús | Lanús Buenos Aires |
| Club Atlético Osasuna | Osasuna Pampeluna |
| Club Atlético Peñarol | Club Atlético Peñarol |
| Club Atlético Peñarol Mar del Plata | Club Atlético Peñarol |
| Club Atlético Platense | Platense Buenos Aires |
| Club Atlético River Plate | Club Atlético River Plate |
| Club Atlético Rosario Central | Rosario Central |
| Club Atlético San Lorenzo de Almagro | San Lorenzo de Almagro Buenos Aires |
| Club Atlético San Martín | San Martin San Juan |
| Club Atlético Tigre | Tigre Buenos Aires |
| Club Atlético Vélez Sársfield | Vélez Sársfield Buenos Aires |
| Club Baloncesto Málaga | Baloncesto Málaga |
| Club de Fútbol Universidad de Chile | Universidad de Chile Santiago |
| Club de Gimnasia y Esgrima La Plata | Gimnasia y Esgrima La Plata |
| Club de Hockey Canadien | Montreal Canadiens |
| Club de Regatas Vasco da Gama | Vasco da Gama Rio de Janeiro |
| Club Deportivo Castellón | CD Castellón |
| Club Deportivo Los Millonarios | Millonarios Bogota |
| Club Deportivo Numancia de Soria | Numancia Soria |
| Club Deportivo Olimpia | Olimpia Tegucigalpa |
| Club Deportivo Tenerife | CD Tenerife |
| Club Deportivo Toluca | Deportivo Toluca |
| Club di Roma | Klub Rzymski |
| Club Ferro Carril Oeste | Ferro Carril Oeste Buenos Aires |
| Club Libertad | Libertad Asunción |
| Club Nacional de Football | Club Nacional de Football |
| Club Olimpia | Olimpia Asunción |
| Club Sportivo Cienciano | Cienciano Cuzco |
| Club Sportivo Marítimo | CS Marítimo |
| Clube Atlético Juventus | Juventus São Paulo |
| Clube Atlético Mineiro | Atlético Mineiro Belo Horizonte |
| Clube Atlético Paranaense | Atlético Paranaense |
| Clube de Regatas do Flamengo | Flamengo Rio de Janeiro |
| Clube Desportivo das Aves | Clube Desportivo das Aves |
| Clube Desportivo Nacional | CD Nacional |
| Clube Náutico Capibaribe | Náutico Recife |
| ClubJenna | Club Jenna |
| Clucy | Clucy |
