| Name | Gender | Meaning | Favorites |
| Silverio | Boy | Greek god of trees | |
| Silvester | Boy | Forest Dweller | |
| Silvia | Girl | Of the woods | |
| Silvino | Boy | Greek god of trees | |
| Silvio | Boy | From the forest | |
| Sima | Girl | Face | |
| Simao | Boy | Hearkening | |
| Simbar | Girl | Having a white complexion | |
| Simin | Girl | Silvery | |
| Simindokht | Girl | Silvern girl | |
| Simon | Boy | It is heard | |
| Simona | Girl | Loud, One who hears | |
| Simone | Girl | It is heard | |
| Simran | Girl | God’s gift | |
| Simrit | Girl | Remembered | |
| Simurg | Girl | Mythical bird | |
| Sinai | Boy | From the clay desert | |
| Sinchana | Girl | Sprinkle | |
| Sinclair | Boy | A clear sign | |
| Sindhu | Girl | Ocean, River | |
