| RoŽĖ | | - | Lithuanian | |
| Robertas | | - | Lithuanian | |
| Rozalija | | - | Lithuanian, Slovene, Croatian, Macedonian | |
| SaulĖ | | - | Lithuanian, Baltic Mythology | |
| Saulius | | - | Lithuanian | |
| Simona | | - | Italian, Czech, Slovak, Romanian, Lithuanian, Slovene, Bulgarian, Macedonian | |
| Simonas | | - | Lithuanian | |
| SmiltĖ | | - | Lithuanian | |
| Sofija | | - | Serbian, Croatian, Macedonian, Lithuanian, Latvian | |
| Solveiga | | - | Latvian, Lithuanian | |
| Stanislovas | | - | Lithuanian | |
| Steponas | | - | Lithuanian | |
| SvajonĖ | | - | Lithuanian | |
| Tadas | | - | Lithuanian | |
| Tatjana | | TAHT-yah-nah (Finnish) | Serbian, Croatian, Slovene, Macedonian, German, Latvian, Lithuanian, Finnish | |