| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Silvija | - | Croatian, Slovene | ||
| Silvijo | - | Croatian | ||
| Silvio | SEEL-vyo (Italian), SEEL-byo (Spanish) | Italian, Spanish, Portuguese, Croatian | ||
| Silviu | - | Romanian | ||
| Silvius | - | Late Roman, Roman Mythology | ||
| Silviya | - | Bulgarian | ||
| SimÓN | see-MON | Spanish | ||
| Sima (1) | - | Persian | ||
| Sima (2) | - | Indian, Hindi, Marathi | ||
| Simba (1) | - | Southern African, Shona | ||
| Simba (2) | - | Eastern African, Swahili | ||
| Sime | - | Macedonian | ||
| Simen | - | Norwegian | ||
| Simeon | SIM-ee-ən (English) | Biblical, Bulgarian, Serbian | ||
| Simin | - | Persian |