| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Kazimieras | - | Lithuanian | ||
| Kotryna | - | Lithuanian | ||
| Kristijonas | - | Lithuanian | ||
| Kristina | kris-TEE-nah (German) | Swedish, Norwegian, Danish, Russian, German, Slovene, Czech, Lithuanian, Serbian, Croatian, Faroese, | ||
| Kristupas | - | Lithuanian | ||
| LĖJa | - | Lithuanian | ||
| Laima | - | Lithuanian, Latvian, Baltic Mythology | ||
| LaimutĖ | - | Lithuanian | ||
| Laurynas | - | Lithuanian | ||
| Leonas | - | Lithuanian | ||
| Lilija | - | Lithuanian, Latvian | ||
| Lina (2) | - | English, Italian, Swedish, Danish, Norwegian, Lithuanian, Croatian | ||
| Linas | - | Lithuanian | ||
| Liucija | LUW-tsi-yah | Lithuanian | ||
| Liudvika | - | Lithuanian |