| Claviere | Claviere |
| Clay County | Clay County |
| Clay Regazzoni | Clay Regazzoni |
| Clayton County | Clayton County |
| Cle Elum | Cle Elum |
| Clear Island | Cleareiland |
| Clearance | Klaring |
| Clearfield County | Clearfield County |
| Clearwater | Clearwater |
| Clearwater County | Clearwater County |
| Clearwater River | Clearwater |
| Cleburne County | Cleburne County |
| Clemens August von Galen | Clemens August von Galen |
| Clemens av Alexandria | Clemens van Alexandrië |
| Clemens Brentano | Clemens Brentano |
| Clemens I | Paus Clemens I |
| Clemens II | Paus Clemens II |
| Clemens III | Paus Clemens III |
| Clemens IV | Paus Clemens IV |
| Clemens IX | Paus Clemens IX |
| Clemens V | Paus Clemens V |
| Clemens VI | Paus Clemens VI |
| Clemens VII | Paus Clemens VII |
| Clemens VIII | Paus Clemens VIII |
| Clemens X | Paus Clemens X |
| Clemens XI | Paus Clemens XI |
| Clemens XII | Paus Clemens XII |
| Clemens XIII | Paus Clemens XIII |
| Clemens XIV | Paus Clemens XIV |
| Clement Attlee | Clement Attlee |
| Clemente Domínguez y Gómez | Tegenpaus Gregorius XVII |
| Cleopatra | Cleopatra |
| Cleopatras nål | Naald van Cleopatra |
| Clermont Foot | Clermont Foot Auvergne |
| Clermont-Ferrand | Clermont-Ferrand |
| Clervaux | Kanton Clervaux |
| Cletus Spuckler | Cletus Spuckler |
| Cleveland | Cleveland |
| Cleveland Bay | Cleveland bay |
| Cleveland Browns | Cleveland Browns |
| Cleveland Cavaliers | Cleveland Cavaliers |
| Cleveland County | Cleveland County |
| Cleveland Indians | Cleveland Indians |
| Clichy | Clichy |
| Clichy-sous-Bois | Clichy-sous-Bois |
| Click | Click |
| Cliff Burton | Cliff Burton |
| Cliff Richard | Cliff Richard |
| Cliffony | Cliffoney |
| Clifford Smith | Method Man |
| Cliffs of Moher | Klippen van Moher |
| Cliftonville FC | Cliftonville FC |
| Clinch County | Clinch County |
| Clint Eastwood | Clint Eastwood |
| Clinton | Clinton |
| Clinton County | Clinton County |
| Clinton Davisson | Clinton Davisson |
| Clio | Clio |
| Clippertonön | Clipperton |
| Clive Barker | Clive Barker |
| Clive Burr | Clive Burr |
| Clive Owen | Clive Owen |
| Clive Sinclair | Clive Sinclair |
| Cloaca Maxima | Cloaca Maxima |
| Clodius Albinus | Clodius Albinus |
| Cloisonism | Cloisonnisme |
| Clonmel | Clonmel |
| Clos Lucé | Clos-Lucé |
| Close to Home | Close to Home |
| Closer | Closer |
| Clotilda | Clothildis |
| Cloud Strife | Cloud Strife |
| Clovis | Clovis |
| Cloviskulturen | Cloviscultuur |
| clown | clown |
| clowneri | zotternij |
| Clownfiskar | Amphiprion |
| Clowntryckare | Luipaardtrekkervis |
| Club América | Club América |
| Club Atlético Banfield | CA Banfield |
| Club Atlético de Madrid | Atlético Madrid |
| Club Atlético Independiente | Independiente |
| Club Atlético Lanús | CA Lanús |
| Club Brügge KV | Club Brugge |
| Club de Deportes La Serena | Club de Deportes La Serena |
| Club de Deportes Puerto Montt | Club de Deportes Puerto Montt |
| Club de Deportes Santiago Wanderers | Club de Deportes Santiago Wanderers |
| Club de Fútbol Monterrey | CF Monterrey |
| Club de Gimnasia y Esgrima La Plata | Gimnasia y Esgrima de La Plata |
| Club Deportivo Chivas USA | Chivas USA |
| Club Deportivo Cruz Azul | Cruz Azul |
| Club Deportivo Guadalajara | Chivas de Guadalajara |
| Club Deportivo Palestino | Club Deportivo Palestino |
| Club Deportivo Universidad Católica | Club Deportivo Universidad Católica |
| Club Estudiantes de La Plata | Estudiantes de La Plata |
| Club Nacional de Football | Club Nacional de Football |
| Club Nintendo | Nintendo Club |
| Club Sport Emelec | Club Sport Emelec |
| Club-Cola | Club Cola |
| Cluedo | Cluedo |
| Clueless | Clueless |
| Clugin | Clugin |
| Cluj | District Cluj |
| Cluj region | District Cluj |
| Cluj-Napoca | Cluj-Napoca |
| Cluny | Cluny |
| Clyde Tombaugh | Clyde Tombaugh |
| Clydesdale | Clydesdale |
| Clásica de San Sebastián | Clásica San Sebastián |
| Cláudio Taffarel | Claudio Taffarel |
| Clémence Poésy | Clémence Poésy |
| Cm | CM |
| CM Punk | Phillip Brooks |
| CMAS | Confédération Mondiale des Activités Subaquatiques |
| CMOS | CMOS |
| CMV | Cytomegalovirus |
| CMYK | CMYK |
| CN Tower | CN Tower |
| CNC | CNC |
| CNET | CNET |
| CNG | CNG |
| CNIT | Centre des Nouvelles Industries et Technologies |
| CNN | CNN |
| CO | CO |
| coach | coach |
| coacha | trainen |
| Coahoma County | Coahoma County |
| Coahuila | Coahuila de Zaragoza |
| Coandaeffekt | Coandă-effect |
| Coatlicue | Coatlicue |
| Coatzacoalcos | Coatzacoalcos |
| Coba | Cuba |
| Cobb County | Cobb County |
| Cobia | Cobia |
| COBIT | COBIT |
| COBOL | COBOL |
| Cobreloa | Club de Deportes Cobreloa |
| Cobresal | Club Deportes Cobresal |
| Coburg | Coburg |
| Coca-Cola | Coca-Cola |
| Coca-Cola BlāK | Coca-Cola BlāK |
| Coca-Cola Company | The Coca-Cola Company |
| Cochabamba | Cochabamba |
| Cochin | Kochi |
| Cochinkina | Cochin-China |
| Cochise County | Cochise County |
| Cochleaimplantat | Cochleair implantaat |
| Cochrane Collaboration | Cochrane review |
| Cockburn Town | Cockburn Town |
| Cocker spaniel | Cockerspaniël |
| cockpit | cockpit |
| cocktail | cocktail |
| cocktailparty | cocktail |
| Coco Chanel | Coco Chanel |
| Coconino County | Coconino County |
| Cocoon - djupets hemlighet | Cocoon |
| Cocos Island | Cocoseiland |
| Cocytus | Cocytus |
| Code Napoléon | Code Napoléon |
| Codec | Codec |
| Codex Alexandrinus | Codex Alexandrinus |
| Codex Bezae | Codex Bezae |
| Codex Regius | Codex Regius |
| Codex Sinaiticus | Codex Sinaiticus |
| Codex Vaticanus | Codex Vaticanus |
| Cody | Cody |
| Coelophysis | Coelophysis |
| Coelurosaurier | Coelurosauria |
| Coenraad Jacob Temminck | Coenraad Jacob Temminck |
| Coffee County | Coffee County |
| Coffeeshop | Coffeeshop |
| Cofidis | Cofidis |
| Cohiba | Cohiba |
| Coimbatore | Coimbatore |
| Coimbra | Coimbra |
| Coimbragruppen | Coimbragroep |
| Coinsins | Coinsins |
| Cointreau | Cointreau |
| Coitus a mamilla | Coïtus a mamilla |
| cola | cola |
| Colbert County | Colbert County |
| Colchester | Colchester |
| Colchester United FC | Colchester United FC |
| Cold Case | Cold Case |
| Cold reading | Cold reading |
| Coldplay | Coldplay |
| Coldrerio | Coldrerio |
| Cole Porter | Cole Porter |
| Cole Turner | Cole Turner |
| Colecovision | ColecoVision |
| Coleman Hawkins | Coleman Hawkins |
| Coles County | Coles County |
| Colfax County | Colfax County |
| Colima | Colima |
| Colin Campbell | Colin Campbell |
| Colin Farrell | Colin Farrell |
| Colin Firth | Colin Firth |
| Colin Maclaurin | Colin Maclaurin |
| Colin McRae | Colin McRae |
| Colin Powell | Colin Powell |
| Colina | Colina |
| collage | collage |
| Collateral | Collateral |
| Collatz antagande | Vermoeden van Collatz |
| Colleen McCullough | Colleen McCullough |
| college- | academisch |
| Collegerock | College rock |
| Collex-Bossy | Collex-Bossy |
| Collier County | Collier County |
| Collioure | Collioure |
| Collision Course | Collision Course |
| Collombey-Muraz | Collombey-Muraz |
| Collonge-Bellerive | Collonge-Bellerive |
| Collonges | Collonges |
| Collège de France | Collège de France |
| Colm Meaney | Colm Meaney |
| Colmar | Colmar |
| Colo-Colo | Colo-Colo |
| Cologny | Cologny |
| Colombes | Colombes |
| Colombey-les-Deux-Églises | Colombey-les-Deux-Églises |
| Colombia | Colombia |
