| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| SIÔN | SHON | Welsh | ||
| SIÔR | SHOR | Welsh | ||
| SIANA | - | Welsh | ||
| SIANI | - | Welsh | ||
| SIARL | SHARL | Welsh | ||
| SIAVASH | - | Persian, Persian Mythology | ||
| SIAVUSH | - | Persian | ||
| SIB | - | Bengali | ||
| SIBÉAL | - | Irish | ||
| SIBILLA | - | Italian | ||
| SIBONAKALISO | - | Southern African, Zulu | ||
| Sibyl | ['sibil] | |||
| SIBYL | SIB-əl | English | ||
| SIBYLLA | zi-BUY-lah (German) | Greek, German, Swedish, Late Roman, Late Greek | ||
| SIBYLLE | zi-BUY-lə (German) | German, French |