| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| SERGEJ | syer-GYAY (Russian), seer-GYAY (Russian) | Russian, Bulgarian | ||
| SERGEY | syer-GYAY (Russian), seer-GYAY (Russian) | Russian, Bulgarian | ||
| SERGHEI | - | Romanian | ||
| SERGI | - | Catalan | ||
| SERGIO | SER-jo (Italian), SER-khyo (Spanish) | Italian, Spanish | ||
| SERGIU | - | Romanian | ||
| SERGIUS | - | Ancient Roman | ||
| SERGIUSZ | SER-gyuwsh | Polish | ||
| SERHAN | - | Turkish | ||
| SERHAT | - | Turkish | ||
| SERHIY | - | Ukrainian | ||
| SERIK | - | Kazakh | ||
| SERINA | sə-REEN-ə | English | ||
| SERKAN | - | Turkish | ||
| SERPİL | - | Turkish |