| Seppel | | - | German | |
| Septima | | - | Ancient Roman, Spanish | |
| Septimius | | - | Ancient Roman | |
| Septimus | | - | Ancient Roman | |
| Serafim | | - | Russian, Romanian, Macedonian | |
| Serafima | | sye-rah-FEE-mah (Russian), see-rah-FEE-mah (Russian), se-rah-FEE-mah (Macedonian) | Russian, Macedonian | |
| Serafina | | se-rah-FEE-nah (Polish) | Italian, Portuguese, Spanish, Polish | |
| Serafino | | - | Italian | |
| Seraphina | | - | English (Rare), German (Rare), Late Roman | |
| Seraphinus | | - | Late Roman | |
| Serena | | sə-REEN-ə (English), se-RE-nah (Italian) | English, Italian, Late Roman | |
| Sergei | | syer-GYAY (Russian), seer-GYAY (Russian) | Russian, Bulgarian | |
| Sergej | | syer-GYAY (Russian), seer-GYAY (Russian) | Russian, Bulgarian | |
| Sergey | | syer-GYAY (Russian), seer-GYAY (Russian) | Russian, Bulgarian | |
| Serghei | | - | Romanian | |