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• Callas - Beauty, Greek
• Callias - Beauty, Greek / Latin
• Callum - Dove, Scottish
• Camille - Perfect, French
• Cassander - Shining upon men, Greek / Latin
• Cătălin - Pure, Romanian
• Christoph - Christ-bearer, German
• Christophe - Christ-bearer, French
• Christopher - Christ-bearer, English
• Cloud - Cloud, English
• Cornelis - Horned, Dutch

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• Caecilia - Blind, Latin
• Calanthe - Name of an orchid (beautiful flower), English / Greek
• Calista
• Calligenia
• Calliope - Beautiful voice, Greek / Latin
• Callista
• Camila - Perfect, Italian / Portuguese / Spanish
• Camilla - Perfect, Danish / English / Finnish / Italian / Latin / Norwegian / Swedish
• Camille - Perfect, French
• Carmen - Poem or song, Italian / Latin / Spanish
• Carolina - Warrior, German
• Cassandra - Shining upon men, Greek
• Cassiopeia - Cassia juice, Latin
• Catalina - Pure, Spanish
• Catharina - Pure, Dutch / Swedish
• Cato - Pure or wise, Dutch / Latin
• Cecilia - Blind, Latin
• Channah - Favour or grace, Hebrew
• Chava
• Chloé
• Chloë
• Chloris
• Clémence - Merciful, French
• Clementine - Merficul, English
• Cleo - To praise, Dutch / English / Greek
• Cleopatra
• Clothilde - Loud battle, French
• Constanze - Contance, German
• Coppélia - Unknown meaning, German
• Cornelia - Horned, Latin
• Cornélie - Horned, French