| 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 | ||
| Serhiy | - | Ukrainian | ||
| Serik | - | Kazakh | ||
| Serrena | sə-REEN-ə | English (Rare) | ||
| Servatius | - | Late Roman | ||
| Servius | SER-wi-uws | Ancient Roman | ||
| Sesto | - | Italian | ||
| Set | SET (English), SAYT (English) | Egyptian Mythology (Hellenized) | ||
| Setare | - | Persian |