| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| COLOMBINA | - | Italian | ||
| COLOMBO | - | Italian | ||
| COLTEN | KOL-tən | English (Modern) | ||
| Colton | ['kəultən] | |||
| COLTON | KOL-tən | English (Modern) | ||
| COLUM | - | Irish | ||
| COLUMBA | ko-LOOM-ba (Late Roman), kə-LUM-bə (English) | Late Roman | ||
| COLUMBAN | kə-LUM-bən (English) | Irish | ||
| COLUMBANUS | - | Late Roman | ||
| COLUMBINE | KAHL-əm-bien | English (Rare) | ||
| Columbus | [kə'lʌmbəəs] | |||
| COLWYN | - | Welsh | ||
| Combs | [ku:mz] | |||
| COMFORT | KUM-fərt | English (Rare) | ||
| COMGAL | - | Irish |