| corpus delicti | Beweisstück |
| Corpus Hermeticum | Corpus Hermeticum |
| Corpus Hippocraticum | Corpus Hippocraticum |
| Corpus juris civilis | Corpus iuris civilis |
| Corrado Alvaro | Corrado Alvaro |
| Corrective Optics Space Telescope Axial Replacement | Corrective Optics Space Telescope Axial Replacement |
| Correggio | Correggio |
| Corregidor | Corregidor |
| Correvon | Correvon VD |
| Corriere della Sera | Corriere della Sera |
| Corrèze | Corrèze |
| Corsage | Corsage |
| Corsairfly | Corsairfly |
| Corse-du-Sud | Corse-du-Sud |
| Corserey | Corserey FR |
| Corsica et Sardinia | Sardinia et Corsica |
| Corsier | Corsier GE |
| Corsier-sur-Vevey | Corsier-sur-Vevey VD |
| Cortenstål | COR-TEN-Stahl |
| Cortes Generales | Cortes Generales |
| cortex | Kortex |
| Cortez hav | Golf von Kalifornien |
| Corticiasca | Corticiasca TI |
| cortison | Kortison |
| Cortland County | Cortland County |
| Corto Maltese | Corto Maltese |
| Cortona | Cortona |
| Corumbá | Corumbá |
| Corus Group | Corus |
| Corvallis | Corvallis |
| Corvey | Corvey |
| Corvina | Corvina Veronese |
| Corvo | Corvo |
| Cory Lidle | Cory Lidle |
| Corythosaurus | Corythosaurus |
| Cosby | Die Bill Cosby Show |
| Cosenza | Provinz Cosenza |
| cosh | cosh |
| Cosima Wagner | Cosima Wagner |
| Cosimo den äldre | Cosimo de’ Medici |
| Cosimo Rosselli | Cosimo Rosselli |
| Cosimo Tura | Cosmè Tura |
| cosinus | Kosinus |
| Cosinussatsen | Kosinussatz |
| Cosmopolitan | Cosmopolitan |
| COSO | COSO |
| cosplay | Cosplay |
| Cossonay | Cossonay VD |
| Cost-benefit-analys | Kosten-Nutzen-Analyse |
| Costa blanca | Costa Blanca |
| Costa Brava | Costa Brava |
| Costa del Azahar | Costa del Azahar |
| Costa del Sol | Costa del Sol |
| Costa Rica | Costa Rica |
| Costa Ricas flagga | Flagge Costa Ricas |
| Costa Ricas fotbollslandslag | Fußballnationalmannschaft von Costa Rica |
| Costa Ricas statsvapen | Wappen Costa Ricas |
| Costa-Gavras | Constantin Costa-Gavras |
| costarican | Costa-Ricaner |
| costaricansk | costa-ricanisch |
| costaricanska | Costa-Ricanerin |
| Costinha | Costinha |
| Cosworth | Cosworth |
| Così fan tutte | Così fan tutte |
| cot | cot |
| Cotabato City | Cotabato |
| cotangent | Kotangens |
| Cotechino Modena | Cotechino |
| Cotentin | Cotentin |
| coth | coth |
| Coton de tuléar | Coton de Tuléar |
| Cotonou | Cotonou |
| Cotopaxi | Cotopaxi |
| Cottage cheese | Hüttenkäse |
| Cottbus | Cottbus |
| Cottens | Cottens FR |
| Cottingley Fairies | Cottingley Fairies |
| Cotton Mather | Cotton Mather |
| CouchSurfing | CouchSurfing |
| coulomb | Coulomb |
| Coulombs lag | Coulombsches Gesetz |
| Coulrofobi | Coulrophobie |
| Count Basie | Count Basie |
| Count Zero | Biochips |
| Counter-Strike | Counter-Strike |
| Counting Down The Days | Counting Down The Days |
| country and western | Country music |
| Country Code Top Level Domain | Top Level Domain |
| Country Music Hall of Fame | Country Music Hall of Fame |
| countrymusik | Country music |
| Countryrock | Country-Rock |
| County | County |
| Coupé | Coupé |
| Courbevoie | Courbevoie |
| Courchevel | Courchevel |
| courgette | Kürbis |
| Courier | Courier |
| Couronne | Carrom |
| Court | Court BE |
| Court-Saint-Etienne | Court-Saint-Etienne |
| courtage | Courtage |
| Courtelary | Courtelary |
| Courteney Cox | Courteney Cox Arquette |
| Courtney Love | Courtney Love |
| couscous | Couscous |
| Coutume | Gewohnheitsrecht |
| Covasna | Bezirk Covasna |
| Coven | Hexensabbat |
| Covent Garden | Covent Garden |
| Coventry | Coventry |
| Coventry City FC | Coventry City |
| cover | Cover |
| Coverband | Coverband |
| Covilhã | Covilhã |
| Covington County | Covington County |
| cowboy | Cowboy |
