| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Col | - | Medieval English | ||
| Cola | - | Anglo-Saxon | ||
| Colene | kah-LEEN | English (Rare) | ||
| Collyn | kah-LEEN | English (Rare) | ||
| Colobert | - | Ancient Germanic | ||
| Colomba | - | Italian | ||
| Colombano | - | Italian | ||
| Colombina | - | Italian | ||
| Colombo | - | Italian | ||
| Columba | ko-LOOM-ba (Late Roman), kə-LUM-bə (English) | Late Roman | ||
| Columbanus | - | Late Roman | ||
| Columbine | KAHL-əm-bien | English (Rare) | ||
| Comfort | KUM-fərt | English (Rare) | ||
| ConcepciÓN | kawn-thep-THYON (Spanish), kawn-sep-SYON (Latin American Spanish) | Spanish | ||
| Concetta | kon-CHET-tah | Italian |