| cliché | kliché |
| Client di posta | E-postprogram |
| cliente | gäst |
| clientela | klientel |
| Cliff Burton | Cliff Burton |
| Cliff Richard | Cliff Richard |
| Clifton | Clifton |
| clima | klimat |
| clima continentale | kontinentalklimat |
| clima desertico | ökenklimat |
| clima equatoriale | ekvatorialt klimat |
| clima mediterraneo | medelhavsklimat |
| clima montano | bergsklimat |
| clima oceanico | havsklimat |
| clima sociale | socialt klimat |
| Clima subartico | Subarktiskt klimat |
| Clima temperato | Tempererat klimat |
| Clima tropicale | Tropiskt klimat |
| climaterio | klimakterium |
| climatico | klimatisk |
| Climatizzazione | VVS |
| climatologa | klimatolog |
| climatologia | klimatologi |
| climatologico | klimatologisk |
| climatologo | klimatolog |
| climax | klimax |
| clinica | medicin |
| clinico | klinisk |
| Clinofobia | Hypnofobi |
| Clint Eastwood | Clint Eastwood |
| Clinton | Clinton |
| Clio | Klio |
| clip | klipp |
| Clipart | Clip art |
| Clipper | Klipperskepp |
| clistere | lavemang |
| Clitellata | Gördelmaskar |
| Clitennestra | Klytaimnestra |
| Clitopilus prunulus | Mjölskivling |
| clitorico | klitorisk |
| clitoride | klitoris |
| clivaggio | klyvning |
| Clive Barker | Clive Barker |
| Clive Burr | Clive Burr |
| Clive Owen | Clive Owen |
| Clive Sinclair | Clive Sinclair |
| cloaca | kloak |
| Cloaca Massima | Cloaca Maxima |
| Cloaking | Cloaking |
| cloche | klockhatt |
| Clock | Klockcykel |
| Clodio Albino | Clodius Albinus |
| Clodione | Chlodio |
| Clodomiro | Chlodomer |
| Clodoveo | Klodvig I |
| Clodoveo I | Klodvig I |
| Clodoveo II | Klodvig II |
| Clodoveo III | Klodvig III |
| Clodoveo IV | Klodvig IV |
| Clomipramina | Klomipramin |
| clonaggio | kloning |
| Clonaggio genico | Lönnar |
| clonare | klona |
| Clonazepam | Klonazepam |
| clonazione | kloning |
| clone | kopia |
| Clone Trooper | Clonetrooper |
| Clonmel | Clonmel |
| Cloracne | Klorakne |
| Clorato di potassio | Kaliumklorat |
| Clordiazepossido | Klordiazepoxid |
| cloro | klor |
| clorofenoli | klorfenol |
| clorofilla | klorofyll |
| clorofluorocarburi | klorofluorkarbon |
| cloroformio | kloroform |
| Cloroplasto | Kloroplast |
| clorosi | kloros |
| Clorpromazina | Klorpromazin |
| clorurare | klorera |
| clorurazione | klorering |
| cloruro | klorid |
| Cloruro di bario | Bariumklorid |
| Cloruro di calcio | Kalciumklorid |
| cloruro di polivinile | polyvinylklorid |
| cloruro di sodio | natriumklorid |
| Cloruro di tionile | Tionylklorid |
| Cloruro stannico | Tennklorid |
| Cloruro stannoso | Tennklorid |
| Close to Home | Close to Home |
| Closer | Closer |
| Clotario I | Chlothar I |
| Clotario II | Chlothar II |
| Clotario III | Chlothar III |
| Clotilde | Clotilda |
| Cloto | Klotho |
| Cloud City | Molnstaden |
| Cloud Strife | Cloud Strife |
| Clover | Klövrar |
| Clovertown | Intel Core |
| Clovis | Cloviskulturen |
| Clozapina | Klozapin |
| club | förbund |
| Club América | Club América |
| Club Atlético Arsenal | Arsenal de Sarandí |
| Club Atlético Banfield | Club Atlético Banfield |
| Club Atlético Boca Juniors | CA Boca Juniors |
| Club Atlético Ciudad de Lorquí | Ciudad de Murcia |
| Club Atlético Independiente | Club Atlético Independiente |
| Club Atlético Lanús | Club Atlético Lanús |
| Club Atlético Osasuna | CA Osasuna |
| Club Atlético Peñarol | CA Peñarol |
| Club Atlético Peñarol Mar del Plata | CA Peñarol |
| Club Atlético Platense | CA Platense |
| Club Atlético River Plate | CA River Plate |
| Club Atlético San Lorenzo de Almagro | CA San Lorenzo de Almagro |
| Club Atlético Vélez Sársfield | Vélez Sársfield |
| Club de Fútbol Universidad de Chile | CF Universidad de Chile |
| Club de Gimnasia y Esgrima La Plata | Club de Gimnasia y Esgrima La Plata |
| Club de Hockey Canadien | Montreal Canadiens |
| Club de Regatas Vasco da Gama | CR Vasco da Gama |
| Club Deportivo Castellón | CD Castellón |
| Club Deportivo Los Millonarios | Millonarios |
| Club Deportivo Numancia de Soria | CD Numancia |
| Club Deportivo Tenerife | CD Tenerife |
| Club di Roma | Romklubben |
| Club Nacional de Football | Club Nacional de Football |
| Club Olimpia | Olimpia Asunción |
| Club Sportivo Marítimo | CS Marítimo |
| Clube Atlético Mineiro | Atlético Mineiro |
| Clube de Regatas do Flamengo | CR Flamengo |
| Clube Desportivo das Aves | CD Aves |
| Clube Desportivo Nacional | CD Nacional |
| Cluedo | Cluedo |
| Clugin | Clugin |
| Cluj | Cluj |
| Cluj-Napoca | Cluj-Napoca |
| Cluny | Cluny |
| Clustering | Klassifikationssystem för bibliotek |
| Clyde Tombaugh | Clyde Tombaugh |
| Cláudio Taffarel | Cláudio Taffarel |
| Clémence Poésy | Clémence Poésy |
| Cléo de Mérode | Cléo de Mérode |
| CM | Cm |
| CMOS | CMOS |
| CMYK | CMYK |
| CN | CN |
| CN Tower | CN Tower |
| CNC | CNC |
| Cnidaria | Nässeldjur |
| Cnido | Knidos |
| CNN | CNN |
| Cnosso | Knossos |
| CO | CO |
| co-incenerimento | medförbränning |
| coabitare | sammanbo |
| coabitazione | sammanboende |
| coach | tränare |
| Coachella Valley Music and Arts Festival | Coachella Valley Music and Arts Festival |
| coadiuvante | medhjälpare |
| coagulante | koagel |
| coagulare | tjockna |
| coagularsi | koagulera |
| coagulato | klumpig |
| coagulazione | koagulering |
| Coagulazione del sangue | Blodkoagulering |
| Coahuila | Coahuila |
| coalizione | block |
| Coalizione multinazionale in Iraq | Multinationella styrkan i Irak |
| Coarticolazione | Koartikulation |
| Coati | Näsbjörnar |
| Coatlicue | Coatlicue |
| coatto | pöbel |
| coazione | begär |
