| Copeck | Copenhagen | Copenhague |
| Coper, Boyacá | Copernicus | Copertino |
| Copiano | Copier | COPLAN ASVAL |
| Coponius | Copparo | Copper |
| Copper age | Copper State | CopperCab |
| Copperplate Gothic | Copro | Coprographia |
| Coptic language | Coptic Orthodox Church | Coptic Orthodox Church of Alexandria |
| Coptic Orthodox Patriarchate of Alexandria and of All Africa | Coptic Pope | Coptikong Simbahan ng Ehipto |
| Copulate | Copulation | Copy right |
| Copy-number variation | Copy-right | Copyright |
| Coquettish | Coquitlam | Coquitlam, British Columbia |
| Cor Jesu College | Cora | Coral |
| Coral bleaching | Coral reef | Coral Springs, Florida |
| Corales | Coralie Perkins | Corana |
| Corato | Corazón Aquino | Corazon "Cory" Aquino |
| Corazon Agrava | Corazon Aquino | Corazon C. Aquino |
| Corazon Cojuangco | Corazon Noble | Corban |
| Corbara | Corbetta, Italy | Corbetta, Italya |
| Corbin Fisher | Corbola | Corbonod |
| Corcega | Corcelles, Ain | Corchiano |
| Corciano | Corcoran, California | Corcuera |
| Corcuera, Romblon | Cordage | Cordelia |
| Cordelia (paglilinaw) | Cordero | Corderos |
| Cordignano | Cordillera | Cordillera Administrative Region |
| Cordillera Administrative Rehiyon | Cordillerano | Cordoba, Cebu |
| Cordon | Cordon, Isabela | Cordova |
| Cordova, Amulung, Cagayan | Cordova, Cebu | Cordylidae |
| Core eudicots | Coreca | Coredo |
| Coreglia Antelminelli | Corella | Corella, Bohol |
| Coreno Ausonio | Corey Maggette | Corey Stoll |
| Corfinio | Cori, Lazio | Coriander |
| Coriander sigadillas | Coriandrum sativum | Coriano |
| Corigliano Calabro | Corigliano d'Otranto | Corigliano-Rossano |
| Corinaldo | Corinth | Corinto |
| Corinto (Cauca) | Corinto, Cauca | Corintong Sinauna |
| Corio (TO) | Corio, Piamonte | Cork tree |
| Corleone | Corleto Monforte | Corleto Perticara |
| Corlier | Cormano | Cormaranche-en-Bugey |
| Cormoran | Cormoranche-sur-Saône | Cormoranes |
| Cormorant | Cormorants | Cormoranus |
| Cormoz | Corn | Corn dog |
| Corn poppy | Corn puff | Corn-dog |
| Corna Imagna | Cornalba | Cornale |
| Cornale e Bastida | Cornaredo | Cornate d'Adda |
| Corndog | Corned Beef | Corned beef |
| Corned beef omelet | Corned beef omelette | Cornedo Vicentino |
| Cornegliano Laudense | Cornelia Lee | Corneliano d'Alba |
| Cornelio | Cornelio T. Villareal | Cornelio Villareal |
| Cornelius Wolf | Corner With Love | Cornerstone Fellowship |
| Cornetto (sorbetes) | Cornico | Corniglio |
| Corning | Corning (California) | Corning, California |
| Corning, Kaliporniya | Cornish | Corno Giovine |
| Cornovecchio | Cornsilog | Cornualles |
| Cornuda | Cornwall | Corocor, Bacarra, Ilocos Norte |
| Corolla | Coromoro | Coron |
| Coron (paglilinaw) | Coron, Palawan | Corona |
| Corona (California) | Corona, California | Corona, Kaliporniya |
| Corona-chan | Coronado | Coronado (California) |
| Coronado, California | Coronary heart disease | CoronaVac |
| Coronavirus | Coronavirus disease 2019 | Coronel Fabriciano |
| Coronet | Coronet (estilo ng titik) | Coronita |
| Coronitas | Corozal, Sucre | Corporate trust |
| Corps plan | Corps planning | Corpse of Anna Fritz |
| Corpus Christi Church, Nesvizh | Corpus Christi, Texas | Corpus Christianum |
| Corpus Domini, Bolonia | Corpus Juris Civilis | Corrales, Boyacá |
| Correccional | Correggio, Emilia-Romaña | Correggio, Italya |
| Corregidor | Corregidor Day | Corregidor, Bataan |
| Correlated | Correlation | Correlation and dependence |
| Correo | Correzzana | Correzzola |
| Corrido | Corrido, Lombardy | Corridonia |
| Corropoli | Corrupt | Corruption |
| Corsano | Corsega | Corsica |
| Corsican language | Corsicana Lemonade | Corsico |
| Corsione | Cortale | Cortandone |
| Cortanze | Cortazzone | Corte Brugnatella |
| Corte Franca | Corte Madera, California | Corte Palasio |
| Cortemaggiore | Cortemilia | Corteno Golgi |
| Cortenova | Cortenuova | Corteolona |
| Corteolona at Genzone | Corteolona e Genzone | Cortes Generales |
| Cortes, Bohol | Cortes, Surigao del Sur | Cortes, Surigao Del Sur |
| Cortez | Cortical plasticity | Cortical re-mapping |
| Cortical remapping | Cortiglione | Cortina d'Ampezzo |
| Cortina de Vidro | Cortino | Cortona |
| Corvara (PE) | Corvara, Abruzzo | Corvara, Trentino-Alto Adige/Südtirol |
| Corveissiat | Corvidae | Corvino San Quirico |
| Corvus | Corvus corax | Cory Allan Monteith |
| Cory Aquino | Cory Booker | Cory in the House |
| Cory Monteith | Cory Quirino | Cory Vidanes |
| Corydalus cornutus | Corylus avellana | Corypha utan |
| Corythosaurus | Corzano | Cosa Nostra |
| Cosenza | Cosimo Rosselli | Cosine |
| Cosio Valtellino | Cosmetic | Cosmetics |
| Cosmic inflation | Cosmic microwave background | Cosmic microwave background radiation |
| Cosmic ray | Cosmogenic | Cosmogeny |
| Cosmogonic | Cosmogonical | Cosmogony |
| Cosmologia | Cosmologic | Cosmological |
| Cosmological constant | Cosmological inflation | Cosmologist |
| Cosmologists | Cosmology | Cosmonaut |
| Cosmopolitan Church | Cosoleto | Cosplay |
| Cosplay (Salin) | Cossano Belbo | Cossano Canavese |
