| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Liwia | - | Polish | ||
| Longin | LAWN-geen | Polish | ||
| Longina | lawn-GEE-nah (Polish) | Polish, Ancient Roman | ||
| Lubomierz | luw-BAWM-yesh | Polish (Rare) | ||
| Lucja | LUWTS-yah | Polish | ||
| Lucjan | LUWTS-yahn | Polish | ||
| Lucjusz | LUWTS-yuwsh | Polish | ||
| Lucyna | luw-TSI-nah | Polish | ||
| LudmiŁA | luwt-MEE-wah | Polish | ||
| Ludwik | LUWT-veek | Polish | ||
| Ludwika | luwt-VEE-kah | Polish | ||
| Luiza | luw-EE-zah (Polish) | Polish, Portuguese, Romanian |