| 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 | |
| Charlotta | | shah-LOT-ah | Swedish | |
| 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 | |
| Christer | | KRIS-ter (Swedish) | Swedish, Danish | |
| Christian | | KRIS-chən (English), KRISH-chən (English), krees-TYAWN (French), KRIS-tee-ahn (German, Swedish) | English, French, German, Swedish, Norwegian, Danish | |
| Christin | | kris-TEEN (Swedish, German) | Swedish, Norwegian, Danish, German | |
| Christina | | kris-TEEN-ə (English), kris-TEE-nah (German, Swedish, Dutch) | English, German, Swedish, Norwegian, Danish, Dutch | |
| Christine | | krees-TEEN (French), kris-TEEN (English), kris-TEE-nə (German, Dutch) | French, English, German, Swedish, Norwegian, Danish, Dutch | |
| Christoffer | | kris-TOF-fer (Swedish) | Swedish, Norwegian, Danish | |
| Cilla | | SIL-lah (Swedish), SI-lah (Dutch) | Swedish, Dutch | |
| Claes | | KLAHS | Swedish | |
| Clara | | KLAH-rah (Italian, German, Spanish), KLER-ə (English), KLAR-ə (English) | Italian, German, Spanish, Portuguese, Catalan, Romanian, English, Swedish, Danish, Late Roman | |
| Clemens | | KLE-mens (German) | German, Dutch, Swedish, Norwegian, Danish, Late Roman | |