| Name | Meaning | Gender | Origin | Rashi |
|---|---|---|---|---|
| Siranush | Sweet love | 👧 Girl | Armenian | — |
| Sireesha | A flower (sirisha) | 👧 Girl | Telugu | Kumbh |
| Siria | Sun; Glowing | 👧 Girl | Italian | — |
| Sirin | Sweet; Charming | 👧 Girl | Turkish | — |
| Sirine | Sweet; Charming | 👧 Girl | Arabic | — |
| Siriporn | Blessed with glory (ศิริพร) | 👧 Girl | Thai | — |
| Sirkka | Cricket | 👧 Girl | Finnish | — |
| Sirlei | Bright meadow (Shirley) | 👧 Girl | Portuguese | — |
| Sirlene | Bright meadow | 👧 Girl | Portuguese | — |
| Sirley | Bright meadow (Shirley) | 👧 Girl | Spanish | — |
| Sirpa | Splinter; Fragment | 👧 Girl | Finnish | — |
| Sirwan | A river in Kurdistan | 👦 Boy | Kurdish | — |
| Sisa | Flower | 👧 Girl | Quechua | — |
| Sisanda | We have increased | 👧 Girl | Xhosa | — |
| Sisipho | Gift | 👧 Girl | Xhosa | — |
| Sissi | Blind (Elisabeth, Cecilia) | 👧 Girl | German | — |
| Sita | Furrow; Wife of Lord Rama | 👧 Girl | Sanskrit | Kumbh |
| Sitara | Star | 👧 Girl | Arabic | — |
| Sithembile | We have trust | 👧 Girl | Zulu | — |
| Sithembiso | Promise | 👦 Boy | Zulu | — |
| Siti | Lady; Madam | 👧 Girl | Arabic | — |
| Sitiveni | Crown (Stephen) | 👦 Boy | Pacific | — |
| Siva | Auspicious; Lord Shiva | 👦 Boy | Tamil | Kumbh |
| Sivagami | Goddess Parvati | 👧 Girl | Tamil | Kumbh |
| Sivakami | Parvati, beloved of Shiva | 👧 Girl | Tamil | Kumbh |
| Sivakumar | Son of Shiva | 👦 Boy | Tamil | Kumbh |
| Sivan | The ninth month of the Hebrew calendar | 👧 Girl | Hebrew | — |
| Sive | We have heard | 👦 Boy | Xhosa | — |
| Siviwe | We have been heard | 👦 Boy | Xhosa | — |
| Sivuyile | We are happy | 👦 Boy | Xhosa | — |
| Siwar | Bracelet | 👧 Girl | Arabic | — |
| Sixto | Sixth | 👦 Boy | Spanish | — |
| Siya | Sita | 👧 Girl | Sanskrit | Kumbh |
| Siyabonga | We thank (God) | 👦 Boy | Zulu | — |
| Siyabulela | We are grateful | 👦 Boy | Xhosa | — |
| Siyamthanda | We love her | 👧 Girl | Xhosa | — |
| Siyanda | We are increasing | 🧒 Unisex | Zulu | — |
| Şiyar | Aware; Awake | 👦 Boy | Kurdish | — |
| Sizakele | We have been helped | 👧 Girl | Zulu | — |
| Siziwe | We have been helped | 👧 Girl | Xhosa | — |
| Sizwe | Nation | 👦 Boy | Zulu | — |
| Sıdıka | Truthful; Faithful | 👧 Girl | Turkish | — |
| Sıtkı | Sincere; True | 👦 Boy | Turkish | — |