| classificatie | klasyfikacja |
| Classificatie en Evolutie | Drzewo życia |
| Classificatie van de dinosauriërs | Klasyfikacja dinozaurów |
| Classificatiebureau | Towarzystwo klasyfikacyjne |
| classificeren | klasyfikować |
| Claude | Claude Speed |
| Claude Bernard | Claude Bernard |
| Claude Chappe | Claude Chappe |
| Claude Debussy | Claude Debussy |
| Claude Henri de Saint-Simon | Henri de Saint-Simon |
| Claude Jade | Claude Jade |
| Claude Joseph Rouget de Lisle | Claude Joseph Rouget de Lisle |
| Claude Lelouch | Claude Lelouch |
| Claude Lorrain | Claude Lorrain |
| Claude Lévi-Strauss | Claude Lévi-Strauss |
| Claude Makélélé | Claude Makélélé |
| Claude Monet | Claude Monet |
| Claude Simon | Claude Simon |
| Claude van Frankrijk | Klaudia de Valois |
| Claude van Lotharingen | Klaudiusz de Guise |
| Claude Victor-Perrin | Claude Victor-Perrin |
| Claude-Louis Berthollet | Claude Louis Berthollet |
| Claude-Nicolas Ledoux | Claude Nicolas Ledoux |
| Claudette Colbert | Claudette Colbert |
| Claudia Antonia | Klaudia Antonia |
| Claudia Cardinale | Claudia Cardinale |
| Claudia Marcella maior | Marcela Młodsza |
| Claudia Octavia | Oktawia |
| Claudia Schiffer | Claudia Schiffer |
| Claudia van Valois | Klaudia de Valois |
| Claudio Abbado | Claudio Abbado |
| Claudio López | Claudio López |
| Claudio Monteverdi | Claudio Monteverdi |
| Claudio Taffarel | Cláudio Taffarel |
| Claudius | Klaudiusz |
| Claudius Galenus | Galen |
| Claudius Gothicus | Klaudiusz II Gocki |
| Claudius I | Klaudiusz |
| Claudius Ptolemaeus | Klaudiusz Ptolemeusz |
| Claus Schenk von Stauffenberg | Claus von Stauffenberg |
| Claus van Amsberg | Claus |
| claustrofobie | klaustrofobia |
| Clave | Klucz |
| Clavecimbel | Klawesyn |
| Claves | Klawesyn |
| Claveyson | Claveyson |
| Clavier | Klawiatura |
| Claviere | Claviere |
| Clavulaanzuur | Kwas klawulanowy |
| Clay County | Hrabstwo Clay |
| Clay Regazzoni | Clay Regazzoni |
| Clayton | Clayton |
| Clayton County | Hrabstwo Clayton |
| Cleanroom | Clean room |
| Clear Creek County | Hrabstwo Clear Creek |
| Cleareiland | Cape Clear |
| Clearing | Clearing |
| Clearinghouse | Clearing |
| Clearwater | Clearwater |
| Clearwater County | Hrabstwo Clearwater |
| Cleburne County | Hrabstwo Cleburne |
| Cleebronn | Cleebronn |
| Clefmont | Clefmont |
| clematis | powojnik |
| Clemency | Clemency |
| Clemens | Clement |
| Clemens August I van Beieren | Klemens August Wittelsbach |
| Clemens August von Galen | Klemens August von Galen |
| Clemens Brentano | Clemens Brentano |
| Clemens Maria Hofbauer | Klemens Maria Hofbauer |
| Clemens van Alexandrië | Klemens Aleksandryjski |
| Clemens van Ohrid | Klemens z Ochrydy |
| Clemens von Pirquet | Clemens Peter Freiherr von Pirquet |
| Clement Attlee | Clement Richard Attlee |
| Clementia van Hongarije | Klemencja Węgierska |
| Clementina van België | Klementyna Koburg-Bonaparte |
| Clementine | Mandarynka |
| Clementine van Oostenrijk | Maria Klementyna Habsburg |
| Clementine van Orléans | Klementyna Orleańska |
| Clenleu | Clenleu |
| Cleomenes I van Sparta | Kleomenes I |
| Cleon | Kleon |
| Cleopatra | Kleopatra |
| Cleopatra I | Kleopatra I |
| Cleopatra II | Kleopatra II |
| Cleopatra III | Kleopatra III |
| Cleopatra Selena | Kleopatra Selene |
| Cleopatra Selena II | Kleopatra Selene |
| Cleopatra VII | Kleopatra VII |
| Cleph | Klef |
| Clermont | Clermont |
| Clermont Foot Auvergne | Clermont Foot |
| Clermont-Ferrand | Clermont-Ferrand |
| Clermont-le-Fort | Clermont-le-Fort |
| Clerques | Clerques |
| Cleruchie | Kleruch |
| Clerval | Clerval |
| Clervaux | Clervaux |
| Cleveland | Cleveland |
| Cleveland bay | Cleveland Bay |
| Cleveland Browns | Cleveland Browns |
| Cleveland Cavaliers | Cleveland Cavaliers |
| Cleveland County | Hrabstwo Cleveland |
| Cleveland Indians | Cleveland Indians |
| Cleveland-klasse | Krążowniki typu Cleveland |
| Cleves | Kleve |
| Cleyrac | Cleyrac |
| Clichy | Clichy |
| Clichy-sous-Bois | Clichy-sous-Bois |
| Click | Mlaski |
| client | klient |
| Client-servermodel | Klient-serwer |
| Cliff Burton | Cliff Burton |
| Cliff Richard | Cliff Richard |
| Clifford Geertz | Clifford Geertz |
| Clifford James Geertz | Clifford Geertz |
| Clifton Suspension Bridge | Clifton Suspension Bridge |
| Climbach | Climbach |
| Clingen | Clingen |
| Clinoptiloliet | Klinoptilolit |
| Clint Eastwood | Clint Eastwood |
| Clinton | Clinton |
| Clinton County | Hrabstwo Clinton |
| Clinton Davisson | Clinton Joseph Davisson |
| Clio | Klio |
| Cliometrie | Kliometria |
| Cliousclat | Cliousclat |
| Clipper | Kliper |
| Clipperton | Clipperton |
| Clipping | Nadsterowność |
| Clisthenes van Athene | Klejstenes |
| Clisthenes van Sicyon | Klejstenes |
| Clitias | Klitias |
| Cliticum | Enklityka |
| clitoris | łechtaczka |
| Clive Barker | Clive Barker |
| Clive Burr | Clive Burr |
| Clive Owen | Clive Owen |
| Clive Sinclair | Clive Sinclair |
| cliënt | klient |
| Cloaca Maxima | Cloaca Maxima |
| Cloacadieren | Stekowce |
| Clodia | Klodia |
| Clodius Albinus | Klodiusz Albinus |
| Cloisonné | Cloisonné |
| Clonazepam | Klonazepam |
| Clone Wars | Wojny Klonów |
| Clonmel | Clonmel |
| Cloppenburg | Powiat Cloppenburg |
| Cloquet | Cloquet |
| Clos-Lucé | Clos Lucé |
| Close Encounters of the Third Kind | Bliskie spotkania trzeciego stopnia |
| Close to Home | Krok od domu |
| Closer | Bliżej |
| Clostridium | Clostridium |
| Clostridium tetani | Laseczka tężca |
| Clothilde van Frankrijk | Maria Klotylda Burbon |
| Clothildis | Klotylda |
| Clotho | Kloto |
| Clothoïde | Klotoida |
| Clotilde van Saksen-Coburg-Gotha | Klotylda Maria Sachsen-Coburg-Saalfeld |
| Clouange | Clouange |
| Cloud Strife | Cloud Strife |
| Clover | Clover |
| Clovis | Clovis |
| Clovis I | Chlodwig I |
| Cloviscultuur | Kultura Clovis |
| clown | klaun |
| Clownbotia | Bocja wspaniała |
| club | stowarzyszenie |
| Club América | América Meksyk |
| Club Atlético Belgrano de Córdoba | Belgrano Cordoba |
| Club Atlético Bella Vista | Bella Vista Montevideo |
| Club Atlético Nueva Chicago | Nueva Chicago Buenos Aires |
| Club Blooming | Blooming Santa Cruz |
| Club Bolívar | Bolívar La Paz |
| Club Brugge | FC Brugge |
| Club de Deportes Antofagasta | Deportes Antofagasta |
| Club de Deportes Cobreloa | Cobreloa Calama |
| Club de Deportes Coquimbo Unido | Coquimbo Unido |
| Club de Deportes La Serena | Deportes La Serena |
| Club de Deportes Puerto Montt | Deportes Puerto Montt |
| Club de Deportes Santiago Morning | Santiago Morning |
| Club de Deportes Santiago Wanderers | Santiago Wanderers Valparaíso |
| Club Deportes Cobresal | Cobresal El Salvador |
| Club Deportivo Cuenca | Deportivo Cuenca |
| Club Deportivo El Nacional | Nacional Quito |
| Club Deportivo Huachipato | Huachipato Talcahuano |
| Club Deportivo Olimpia | Olimpia Tegucigalpa |
| Club Deportivo Palestino | Palestino Santiago |
| Club Deportivo Universidad Católica | Club Deportivo Universidad Católica |
| Club Deportivo Universidad de Concepción | Universidad Concepcion |
| Club Jorge Wilstermann | Club Jorge Wilstermann |
| Club Magallanes | Magallanes Santiago |
| Club Nacional de Football | Club Nacional de Football |
| Club Olimpia Asunción | Olimpia Asunción |
| Club Provincial Curicó Unido | Curicó Unido |
| Club Social de Deportes Rangers de Talca | Rangers Talca |
| Club Social y Deportivo Macará | Macará Ambato |
| Club Sport Cartaginés | Cartaginés Cartago |
| Club Sport Emelec | Emelec Guayaquil |
| Club Tigres | Tigres UANL |
| Club Toluca | Deportivo Toluca |
| Club van Rome | Klub Rzymski |
| Club Xelajú | Xelajú Quetzaltenango |
| Clube Desportivo Primeiro de Agosto | Primeiro de Agosto Luanda |
| Clube Náutico Capibaribe | Náutico Recife |
| Clubgebouw | Świetlica |
| Clucy | Clucy |
| Clugin | Clugin |
| Cluj | Okręg Kluż |
| Cluj-Napoca | Kluż-Napoka |
| Cluj-Napoca International Airport | Port lotniczy Kluż-Napoka |
| Clumberspaniël | Clumber Spaniel |
| Cluny | Cluny |
| Clupeidae | Śledziowate |
| Cluses | Cluses |
| Clusiafamilie | Dziurawcowate |
| Clusone | Clusone |
| Cluster satellieten | Cluster |
| Clusteranalyse | Analiza skupień |
| Clusterbom | Bomba kasetowa |
| Clyde | Clyde |
| Clyde Barrow | Clyde Barrow |
| Clyde Tombaugh | Clyde Tombaugh |
| Clydesdale | Clydesdale |
| Clásica San Sebastián | Clásica de San Sebastián |
| Cláudio Hummes | Cláudio Hummes |
| Clémence Poésy | Clémence Poésy |
| Clément Marot | Clément Marot |
| Clérac | Clérac |
| Clérieux | Clérieux |
| Cléry-le-Grand | Cléry-Grand |
| Cléry-le-Petit | Cléry-Petit |
| Cléty | Cléty |
| Cléville | Cléville |
| CM | Cm |
| Cmolas | Gmina Cmolas |
| CMOS | CMOS |
| CMYK | CMYK |
| CN Tower | CN Tower |
