word | | Country name |
| form | Costa Rica | conventional long form: Republic of Costa Rica conventional short form: Costa Rica local long form: Republica de Costa Rica local short form: Costa Rica |
| form | Cote d'Ivoire | conventional long form: Republic of Cote d'Ivoire conventional short form: Cote d'Ivoire local long form: Republique de Cote d'Ivoire local short form: Cote d'Ivoire note: pronounced coat-div ... |
| form | Croatia | conventional long form: Republic of Croatia conventional short form: Croatia local long form: Republika Hrvatska local short form: Hrvatska former: People's Republic of Croatia, Socialist Republic of Croatia |
| form | Cuba | conventional long form: Republic of Cuba conventional short form: Cuba local long form: Republica de Cuba local short form: Cuba |
| form | Cyprus | conventional long form: Republic of Cyprus conventional short form: Cyprus local long form: Kypriaki Dimokratia/Kibris Cumhuriyeti local short form: Kypros/Kibris note: the Turkish Cypriot community, which administers the northern part ... |
| form | Czech Republic | conventional long form: Czech Republic conventional short form: Czech Republic local long form: Ceska Republika local short form: Cesko |
| form | Denmark | conventional long form: Kingdom of Denmark conventional short form: Denmark local long form: Kongeriget Danmark local short form: Danmark |
| form | Dhekelia | conventional long form: Dhekelia Sovereign Base Area conventional short form: Dhekelia |
| form | Djibouti | conventional long form: Republic of Djibouti conventional short form: Djibouti local long form: Republique de Djibouti/Jumhuriyat Jibuti local short form: Djibouti/Jibuti former: French Territory of the Afars and Issas, French ... |
| form | Dominica | conventional long form: Commonwealth of Dominica conventional short form: Dominica |