| Cassandra | | kə-SAN-drə (English), kə-SAHN-drə (English), kahs-SAHN-drah (Italian) | English, Spanish, Portuguese, Italian, French, German, Greek Mythology (Latinized) | |
| Cathrin | | KAHT-reen | German | |
| Catrin | | KAT-rin (Welsh), KAHT-reen (German) | Welsh, German | |
| Cecilia | | sə-SEE-lee-ə (English), sə-SEEL-yə (English), che-CHEE-lyah (Italian), the-THEE-lyah (Spanish), se-SEE-lyah (Latin American Spanish), se-SEEL-yah (Danish, Norwegian), SE-see-lee-ah (Finnish) | English, Italian, Spanish, Swedish, Danish, Norwegian, Finnish, Dutch, German | |
| Chariovalda | | - | Ancient Germanic | |
| Charlotte | | shar-LOT (French), SHAHR-lət (English), shahr-LAW-tə (German), shah-LOT (Swedish), shahr-LAWT-tə (Dutch) | French, English, German, Swedish, Norwegian, Danish, Dutch | |
| Chlodochar | | - | Ancient Germanic | |
| Chlodovech | | - | Ancient Germanic | |
| Chlodulf | | - | Ancient Germanic | |
| Chlothar | | - | Ancient Germanic | |
| Chlotichilda | | - | Ancient Germanic | |
| Christa | | KRIS-tah (German), KRIS-tə (English) | German, Danish, English | |
| Christel | | KRIS-tel | German | |
| Christian | | KRIS-chən (English), KRISH-chən (English), krees-TYAWN (French), KRIS-tee-ahn (German, Swedish) | English, French, German, Swedish, Norwegian, Danish | |
| Christiane | | kris-tee-AH-nə (German), krees-TYAHN (French) | German, French | |