| Carver | | KAHR-vər | English (Rare) | |
| Casimiro | | - | Spanish, Portuguese, Italian | |
| Caspar | | - | Judeo-Christian Legend | |
| Casper | | KAHS-pər (Dutch) | Dutch, Swedish, Norwegian, Danish | |
| Caspian | | KAS-pee-ən (English) | Literature | |
| Cassander | | - | Ancient Greek (Latinized) | |
| Cassandra | | kə-SAN-drə (English), kə-SAHN-drə (English), kahs-SAHN-drah (Italian) | English, Spanish, Portuguese, Italian, French, German, Greek Mythology (Latinized) | |
| Cassarah | | kə-SER-ə, KAS-ə-rə | English (Rare) | |
| Cassia | | KA-shə (English) | Ancient Roman | |
| Cassian | | KASH-ən (English) | Ancient Roman (Anglicized) | |
| Cassianus | | - | Ancient Roman | |
| Cassiopea | | ka-see-ə-PEE-ə (English) | Greek Mythology (Latinized) | |
| Cassiopeia | | ka-see-ə-PEE-ə (English) | Greek Mythology (Latinized) | |
| Cassius | | KASH-əs (English), KAS-ee-əs (English) | Ancient Roman, English | |
| Castor | | KAS-tər (English) | Greek Mythology (Latinized) | |