| Constantin S. Constantin | Constantin Sanatescu | Constantin Sănătescu |
| Constantin Talpeș | Constantin Talpes | Constantin Trestioreanu |
| Constantin Tudosie | Constantin Vasiliu Rascanu | Constantin Vasiliu-Rășcanu |
| Constantin Voiculescu | Constantin von Wurzbach | Constantin Wurzbach |
| Constantin Z. Vasiliu | Constantin-François Chassebœuf | Constantina Diṭă-Tomescu |
| Constantina Diță | Constantina Diță-Tomescu | Constantina Dita |
| Constantina Dita-Tomescu | Constantina Tomescu | Constantinos Stepanopoulos |
| Constantion Badescu | Constantion Bădescu | Constitutio Antoniniana |
| Construcciones Aeronáuticas SA | Consuegra | Consuegra, Španija |
| Contarellijeva kapela | Contarinia nasturtii | Contea principesca di Guriza e Gardiscja |
| Content Management System | Content managment system | Content Managment System |
| Contes, Alpes-Maritimes | ConTEXt | ConTeXt |
| Context | Continental CD-200 | Continental Motors |
| Contovello | Contra ana y mia | Contract bridge |
| Contrail | Contrammiraglio | Contres, Loir-et-Cher |
| Controspionaggio Militare e Servizi Speciali | Conus | Conus (razločitev) |
| Convair | Convair 880 | Convair 990 Coronado |
| Convair B-36 | Convair B-36 Peacemaker | Convair B-58 Hustler |
| Convair C-131 Samaritan | Convair CV-240 | Convair F-102 Delta Dagger |
| Convair F-106 Delta Dart | Convair F2Y Sea Dart | Convair Kingfish |
| Convair NB-36H | Convair R3Y Tradewind | Convair X-6 |
| Convair XB-46 | Convair XB-53 | Convair XC-99 |
| Convair YB-60 | Convallaria | Convallaria majalis |
| Conversio Bagoariorum et Carantanorum | Conway | Conway Farrell |
| Conway Grey Farrell | Conway M. G. Farrell | Conway McAlister Farrell |
| Conway McAlister Grey Farrell | Conway, Anne | Conwayjeva konstanta |
| Conwayjeva notacija poliedrov | Conwayjevo zaporedje | Cooh |
| Cook Strait | Cooke | Cookov preliv |
| Cookovi otoki | Cookovo otočje | Cool Runnings |
| Cooper | Cooper Car Company | Cooper Smeaton |
| Cooper T12 | Cooper T20 | Cooper T23 |
| Cooper T24 | Cooper T51 | Cooper T81 |
| Cooperit | Coordicide | Copa Acción de San Lorenzo |
| Copa Acción de San Lorenzo 1947 | Copa Acción de San Lorenzo 1948 | Copa Acción de San Lorenzo 1949 |
| Copa Acción de San Lorenzo 1950 | Copa América | Copa America |
| Copa del Rey | Copacabana | Copate |
| Copati | Copaxone | Copán |
| Copeland-Erdöseva konstanta | Copeland-Erdőseva konstanta | Copeland-Erdoseva konstanta |
| Copenhagen | Copepoda | Copernicus |
| Copleyeva medalja | Copleyjeva medalja | Coppa |
| Coppa Acerbo | Coppa Acerbo 1930 | Coppa Acerbo 1931 |
| Coppa Acerbo 1932 | Coppa Acerbo 1933 | Coppa Acerbo 1934 |
| Coppa Acerbo 1935 | Coppa Acerbo 1936 | Coppa Acerbo 1937 |
| Coppa Acerbo 1938 | Coppa Acerbo 1950 | Coppa Ciano |
| Coppa Ciano 1929 | Coppa Ciano 1930 | Coppa Ciano 1931 |
| Coppa Ciano 1932 | Coppa Ciano 1933 | Coppa Ciano 1934 |
| Coppa Ciano 1935 | Coppa Ciano 1936 | Coppa Ciano 1938 |
| Coppa della Sila 1935 | Coppa Edda Ciano 1935 | Coppa Edda Ciano 1936 |
| Coppa Florio | Coppa Florio 1929 | Coppa Italia |
| Coppa Italia 1961 | Coppa Ottorino Barassi | Copper Canyon |
| Copper Peak | Coprinopsis atramentaria | Coprinus |
| Coprinus comatus | Coprniški muc | Coprnica Zofka |
| Coprnica Zofka (film) | Coptic Rain | Copyleft |
| CoQ | Coq au vin | Cor |
| Cor pulmonale | Cor-Ai (Zvezdna vrata SG-1) | Cor-ten |
| Coracias | Coracias abyssinica | Coracias garrulus |
| Coracias oriolus | Coraciidae | Coraciiformes |
| Coraduzzi | Coral Buttsworth | Coral McInnes Buttsworth |
| Corales Islas del Rosario | Coraline (film) | Corallium botrytis |
| Corazón | Corazón Aquino | Corazon Aquino |
| CORBA | Corbara (Francja) | Corbara, Francija |
| Corbeil-Essonnes | Corbeilski sporazum | Corbin Bleu |
| Cordell Hull | Cordemais | Cordillera Central, Kolumbija |
| Cordillera Central, Kostarika | Cordillera de Talamanca | Cordillera Occidental, Kolumbija |
| Cordillera Oriental, Kolumbija | Cordoba | Cordoba (razločitev) |
| Cordon bleu | Cordon bleu (razločitev) | Cordon blue |
| Cordulegaster bidentata | Cordulegaster heros | Cordulia aenea |
| CORE ŠAMANIZEM | CoreaHancock | Coreidae |
| Corel Painter | Coremacera marginata | Corentin Tolisso |
| COREPER | Coreus marginatus | Coriandrum sativum |
| Corina de la Rosa | Corinna Harfouch | Corinne A. Manogue |
| Corinne Alison Manogue | Corinne Bellet | Corinne Imlig |
| Corinne Manogue | Corinne R. Bellet | Corinne Rey Bellet |
| Corinne Rey-Bellet | Corinne Schmidhauser | Coriolijeva sila |
| Coriolisova sila | Coris | Coris formosa |
| Coris julis | Coris sandeyeri | Corita Kent |
| Coritiba FC | Coritiba Foot Ball Club | Cork |
| Corlay | Cormac McCarthy | Cormac Murphy-O'Connor |
| Cormeilles, Eure | Cormons | Cornea |
| Corneille Heymans | Corneille Jean François Heymans | Cornel Durău |
| Cornel Penu | Cornel Ronald West | Cornel West |
| Cornelia Feuerbach | Cornelia Feuerbach-Ullrich | Cornelia Funke |
| Cornelia Jakobs | Cornelia Oschkenat | Cornelia Pfohl |
| Cornelia Pröll | Cornelia Proll | Cornelia Riefstahl |
| Cornelia Riefstahl-Oschkenat | Cornelia Ullrich | Cornelio Saavedra |
| Cornelis de Houtman | Cornelis de Vos | Cornelis Houten |
| Cornelis Johannes Houten | Cornelis Johannes van Houten | Cornelis van Houten |
| Cornelis Willem Opzoomer | Corneliu Calotescu | Corneliu Carp |
| Corneliu Dragalina | Corneliu Draglina | Corneliu Serghievici |
| Corneliu Teodorini | Cornelius C. Jadwin | Cornelius Castoriadis |
| Cornelius Cruys | Cornelius Jadwin | Cornelius Lanczos |
| Cornelius van Zierikzee | Cornelius Warmerdam | Cornell University |
| CornerShot | Cornershot | Cornet |
| Cornhole | Cornholio | Corniche, Bejrut |
| Cornucopia | Cornucopio-rog obilija | Cornus |
| Cornus controversa | Cornus mas | Cornus sanguinea |
| Cornus sericea | Cornwall | Cornwall (razločitev) |
| Cornwall Aces | Cornwall MRC Formula 1 Race | Cornwall MRC Formula 1 Race 1955 |
| Coro Jacobus Gallus | Corona (založba) | Corona muralis |
| Corona virus | Coronella austriaca | Coronella girondica |
