rumänische Ortsnamen
| Cabesti |
| Cacova lerii |
| Cacuciu |
| Cadaciu Mare |
| Cadaciu Mic |
| Cadiseni |
| Caianu |
| Caianu Mare |
| Caianu Mic (bei Nasaud) |
| Caianu Mic (bei Cluj) |
| Caianu-Vama |
| Caila |
| Cainelu de Jos |
| Cainelu de Sus |
| Calacea |
| Calan |
| Calane |
| Calanu Mic |
| Calarasi |
| Calarasi-Gara |
| Calata |
| Calatele |
| Calbor |
| Calimanel |
| Calimanesti |
| Calna |
| Calnaci |
| Calnic |
| Calonda |
| Calugareni (bei Odorheiu Secuiesc) |
| Calugareni (bei Sovata) |
| Calugaresti |
| Caluseri |
| Calvasar |
| Camarasu |
| Capeni |
| Capeti |
| Capilna (bei Tirgu Lapus) |
| Capilna (bei Sebes) |
| Capilna de Jos |
| Capilna de Sus |
| Capilnita |
| Caprioara |
| Captalan |
| Capu Corbului |
| Capud |
| Capusu de Cimpie |
| Capusu Mare |
| Capusu Mic |
| Cara |
| Caraci |
| Carmazanesti |
| Carpinenii |
| Carpinis (bei Cimpeni) |
| Carpinis (bei Sebes) |
| Carpinis (bei Brad) |
| Casa de Piatra |
| Caseiu |
| Casinu Mic |
| Casinul Nou |
| Casolt |
| Dastau |
| Casva |
| Cata |
| Catalina (bei tirgu Secuiesc) |
| Catalina (bei Dej) |
| Catina |
| Cazanesti |
| Ceaba |
| Ceaca |
| Ceanu Mare |
| Ceanu Mic |
| Ceausu de Cimpie |
| Cecalaca |
| Cechesti |
| Cehetel |
| Cenade |
| Cepari |
| Cerbal |
| Cerbia |
| Cerbu |
| Cerc |
| Cergau Mare |
| Cergau Mic |
| Cerghizel |
| Cerisor |
| Cernat |
| Cernisoara-Florese |
| Cernuc |
| Certege |
| Certeju de Jos |
| Certejul de Sus |
| Ceru-Bacainti |
| Cesapiu |
| Cetan |
| Cetate |
| Cetatea de Balta |
| Cetatuia |
| Cetea |
| Ceuas |
- |
deutsche Ortsnamen
| - |
| Kakova |
| - |
| - |
| - |
| - |
| - |
| - |
| - |
| - |
| - |
| Köllendorf |
| - |
| - |
| - |
| Kalan |
| - |
| - |
| - |
| - |
| - |
| - |
| Kaltbrunn |
| - |
| - |
| - |
| - |
| - |
| - |
| - |
| - |
| - |
| - |
| Kaltwasser |
| - |
| - |
| - |
| - |
| Kapellendorf |
| Kapellendorf |
| Kappeln |
| - |
| - |
| - |
| - |
| - |
| - |
| - |
| - |
| - |
| - |
| - |
| - |
| - |
| Keppelsbach |
| Kerzendorf |
| - |
| - |
| - |
| - |
| Kastenholz |
| Kastendorf |
| - |
| Katzendorf |
| - |
| - |
| - |
| - |
| - |
| - |
| - |
| - |
| - |
| - |
| - |
| - |
| Scholten |
| Tschippendorf |
| - |
| - |
| - |
| - |
| Großschergied |
| Kleinschergied |
| - |
| - |
| - |
| - |
| - |
| - |
| - |
| - |
| - |
| - |
| - |
| Oberneudorf |
| Kokelburg |
| - |
| - |
| Grubendorf |
|
ungarische Ortsnamen
| - |
| Aranyosivanfalva |
| Görgeny-Kakucs |
| Nagykadacs |
| Kiskadacs |
| Kadicsfalva |
| Magyarkalyan |
| Nagykajan |
| Kiskajan |
| Kiskalyan |
| Kalyanvam |
| Kajla |
| - |
| - |
| Kiskalocsa |
| Kalan |
| - |
| Kiskalan |
| Harasztos |
| Harasztospalyaudvar |
| Nagykalota |
| Kiskalota |
| Kalbor |
| Kelemenpatak |
| Kelementelke |
| Kalna |
| - |
| Kalnok |
| Magyarkalonda |
| Homorodremete |
| Mikhaza |
| - |
| Szekelykal |
| Hidegviz |
| Pusztakamaras |
| Köpec |
| Kopacs |
| Felsökapolna |
| Sebeskapolna |
| Alsokapolna |
| Felsökapolna |
| Kapolnasfalu |
| Kecskehata |
| Maroskaptalan |
| Holloszarka |
| Magyarkapud |
| Mezökapus |
| Nagykapus |
| Kiskapus |
| Kolozskara |
| Karacs |
| - |
| Csangotelep |
| Abrudkerpenyes |
| Köpenyes |
| Gyertyanos |
| - |
| Alsokosaly |
| Kiskazon |
| Kaszonujfalu |
| Hermany |
| Kaszto |
| Kasva |
| Kaca |
| Szentkatolna |
| Szentkatolna |
| Katona |
| - |
| Balvanyoscsaba |
| Almascsaka |
| Mezönagycsan |
| Pusztacsan |
| Mezöcsavas |
| Csekelaka |
| Csekefalva |
| Csehetfalva |
| Szaszcsanad |
| Csepany |
| Cserbel |
| - |
| Cserbu |
| Kisfeneshavas |
| Nagyccserged |
| Bolgarcserged |
| Kiscserged |
| - |
| Csernaton |
| - |
| Csernek |
| - |
| - |
| - |
| Bokajfelfalu |
| Csaszari |
| Csatany |
| Felsöszaszujfalu |
| Küküllövar |
| Csatoszeg |
| Csaklya |
| Szaszcsavas |
|
