| Council of Europe | Council of the Baltic Sea States | Counter-Strike |
| Country | Country glasba | Country rock |
| County of Kent, Anglija | Coup d'état | Couperin |
| Cour d'honneur | Couranta | Courante |
| Courçon | Courbevoie | Courcon |
| Cours Mirabeau | Coursan | Coursegoules |
| Coursera | Courtavon | Courteney Cox |
| Courtney Cox | Courtney Cox Arquette | Courtney Love |
| Courtney William Fladgate | Courville-sur-Eure | Coutances |
| Couto | Coutras | Couvron et Aumencourt |
| Couvron-et-Aumencourt | COVAX | Covăciţa |
| Covedo | Covent Garden | Coventry |
| Coventry (razločitev) | Coventry Climax | Cover point (hokej na ledu) |
| Coverpoint (hokej na ledu) | Covid 19 | Covid-19 |
| COVID-19 | COVID-19 testiranje | COVID-19 v Sloveniji |
| Cowan | Cowboy Style | Coworking |
| Cowperjeva žleza | COX | Cox |
| Coxa | Coxae | Coxeter-Dinkinov diagram |
| Coxeter-Dynkinov diagram | Coxeter–Dynkinov diagram | Coxeterjev element |
| Coxeterjeva grupa | Coxeterjeva matrika | Coxeterjeva notacija |
| Coxeterjevo število | Coxiella burnetii | Coxsone Dodd |
| Coyhaique | Cozes | Cozzano |
| CP | CPD−24° 6723 | CPD−52° 7028 |
| CPE | CPLP | CPR-1000 |
| CPU | CPUPI | CPV |
| CQB | Cr | CR |
| Crabbe in Goyle | Crac de Chevaliers | Crack |
| Cradle of Filth | Crago vulgaris | Craig Bellamy |
| Craig Breslow | Craig Conroy | Craig Douglas Bellamy |
| Craig Harrison (ostrostrelec) | Craig Mazin | Craig Parnham |
| Craig Steadman | Craig Thompson | Cramerjevo pravilo |
| Cranberries | Cranberry Saw Us | Crangon crangon |
| Crangon maculatus | Crangon maculosa | Crangon rubropunctatus |
| Crangon vulgaris | Craniata | Cranopsis periglenes |
| Craonne | Craponne-sur-Arzon | Crassulaceae |
| Crastatt | Crataegus | Crataegus elegans |
| Crataegus laevigata | Crataegus monogyna | Crataegus nigra |
| Crataegus oxyacantha | Crataegus pyracantha | Cravero |
| Cravero (Kravar) | Crawford | Crawford Long |
| Crawford W. Long | Crawford Williamson Long | Crazier (pesem, Taylor Swift) |
| Crazy Horse | Crčevo | Crème brûlée |
| Crécy | Crécy-sur-Serre | Crémieu |
| Créon | Créon-d'Armagnac | Créteil |
| CRC | Crcavac | Creative Commons |
| CreativeCommons | Crecy | Crecy-sur-Serre |
| Credo | Credo, quia absurdum est | Cree Inc. |
| Creed | Creedence Clearwater Revival | Creighton Abrams |
| Creighton Abrams Jr. | Creighton Abrams mlajši | Creighton W. Abrams |
| Creighton W. Abrams Jr. | Creighton W. Abrams mlajši | Creighton Williams Abrams Jr. |
| Creighton Williams Abrams Junior | Creighton Williams Abrams mlajši | Creil |
| Creina | Creme brulee | Cremieu |
| Cremona | Cremona (pokrajina) | Cremušina |
| Creon | Creon-d'Armagnac | Crepaja |
| Cres | Cres (mesto) | Cres (otok) |
| Cres (razločitev) | Cres, Cres | Crescendo |
| Crescentia cujete | Crescenzio Sepe | Crest |
| Crestor | Cret | Cret (razločitev) |
| Cret Bizovački | Cret Viljevski | Crete Senesi |
| Creteil | Creully | Creuse |
| Creuse (departma) | Creuse (reka) | Creutzfeld-Jakobova bolezen |
| Creutzfeldt-Jakobova bolezen | Crevan | Crevarska Strana |
| Crex crex | CRH | CRH380A |
| Crhalj | Crişul Alb | Crişul Negru |
| Cricetinae | Cricetus cricetus | Crișul Alb |
| Crișul Negru | Crișul Repede | Crikvenica |
| Crikvenica - klimatsko zdravilišče | Crimen sollicitationis | Crimes and Misdemeanors |
| Crimes of the Heart | Crinoidea | Crisanto Luque Sánchez |
| Crispin Glover | Crispin Hellion Glover | CRISPR |
| CRISPR-Cas | CRISPR-Cas9 | CRISPR/Cas |
| CRISPR/Cas9 | Cristache Gheorghiu | Cristache Gherorghiu |
| Cristóbal Diatristán de Acuña | Cristeana Cojocaru | Cristeana Matei |
| Cristian Chivu | Cristian Eugen Chivu | Cristian Gaţu |
| Cristian Gațu | Cristian Gonzalez | Cristian González |
| Cristian Mandeal | Cristian Pavón | Cristiano da Matta |
| Cristiano Da Matta | Cristiano Monteiro da Matta | Cristiano Ronaldo |
| Cristieana Cojocaru | Cristieana Cojocaru-Matei | Cristina Casandra |
| Cristina Elisabet Fernández | Cristina Fernandez de Kirchner | Cristina Fernández de Kirchner |
| Cristina Iloc | Cristina Iloc-Casandra | Cristina Tisot |
| Cristinacce | Cristofano Malvezzi | Cristoforo Giacobazzi |
| Crisul Alb | Crisul Negru | Critérium du Dauphiné |
| Critérium du Dauphiné Libéré | Critchfield | Criterium du Dauphine |
| Criterium du Dauphine Libere | Crithagra miliaria | Crivac |
| CRJ | CRJ100 | CRJ200 |
| Crklada | Crklica | Crklje |
| Crkovec | Crkovnica | Crkvari |
| Crkvenac | Crkveni Bok | Crkveni Toci |
| Crkveni Vrhovci | Crkvenik | Crkvičko Polje |
| Crkvica (otok) | Crkvice | Crkvice, Srbija |
| Crkvina (otok) | Crkvina, Kruševac | Crkvine |
| Crkvine (razločitev) | Crkvine, Črna gora | Crkvine, Mladenovac |
| Crkvine, Tutin | Crljenac | Crljenci |
| Crljenice | Crljenik | Crm |
| CRM | Crmnica | Crmnica (razločitev) |
| Crmnica (reka) | Crna Bara | Crna Bara (razločitev) |
| Crna Bara, Aleksinac | Crna Bara, Čoka | Crna Bara, Bogatić |
| Crna Bara, Vlasotince | Crna Draga | Crna Glava |
| Crna Gora | Crna Klada | Crna mačka, beli mačor |
| Crna Mlaka | Crna Reka, Trgovište | Crna Trava |
| Crnac | Crnac (razločitev) | Crnac, Sisak |
| Crnac, Sisek | Crnajka | Crnatovo |
