| 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 | Coronella quadrilineata |
| Coronini | Coroniniji | COROT |
