| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Seanna | SHAW-nə | English (Rare) | ||
| Sebastian | ze-BAHS-tee-ahn (German), sə-BAS-chən (English), se-BAHS-tyahn (Polish), SE-bahs-tee-ahn (Finnish) | German, English, Swedish, Norwegian, Danish, Polish, Finnish, Romanian | ||
| Sebastijan | - | Slovene, Croatian | ||
| Sebastjan | - | Slovene | ||
| Secundinus | - | Ancient Roman | ||
| Secundus | - | Ancient Roman | ||
| Sefton | SEF-tən | English (Rare) | ||
| Seisyll | - | Ancient Celtic | ||
| Sekhar | - | Indian, Telugu, Bengali | ||
| Selby | SEL-bee | English (Rare) | ||
| Seleucus | - | Ancient Greek (Latinized) | ||
| Seleukos | - | Ancient Greek | ||
| Selina | - | English | ||
| Selma | SEL-mə (English), ZEL-mah (German) | English, German, Dutch, Swedish, Norwegian, Danish, Icelandic | ||
| Selwyn | SEL-win | English (Rare) |