| Sikandar | | - | Urdu, Pashto | |
| Sikke | | SIK-kə | Frisian | |
| Sila | | - | Turkish | |
| Silas | | SIE-ləs (English) | English, Greek, Biblical, Biblical Latin, Biblical Greek | |
| Silja | | SEEL-yah | Finnish | |
| Silje | | - | Norwegian, Danish | |
| Sille | | SEE-le | Danish | |
| Silva | | - | Bulgarian, Slovene | |
| Silver | | SIL-vər | English | |
| Silvester | | sil-VES-tər (English) | Dutch, English, Slovene, Slovak, German, Late Roman | |
| Silvestra | | - | Italian, Slovene | |
| Silvestre | | seel-BE-stre (Spanish) | Spanish, Portuguese | |
| Silvia | | SEEL-vyah (Italian), SEEL-byah (Spanish) | Italian, Spanish, Portuguese, Romanian, Slovak, English, German, Late Roman, Roman Mythology | |
| Silvija | | - | Croatian, Slovene | |
| Silvio | | SEEL-vyo (Italian), SEEL-byo (Spanish) | Italian, Spanish, Portuguese, Croatian | |