| Name | Group | Language of Origin | Languages of Use | Meaning/Translation or Related Words | US 2024 |
| Lukás | Luke | Old Greek | Czech | from Lucania | |
| Lukass | Luke | Old Greek | Latvian | from Lucania | |
| Lukasz | Luke | Old Greek | Polish | from Lucania | |
| Luke | Luke | Old Greek | English | from Lucania | #34 |
| Lukman | Luqman | Arabic | Malay | | |
| Lulëzim | Lulëzim/Lulëzime | Albanian | Albanian | the blooming, the flowering | |
| Lulzim | Lulëzim/Lulëzime | Albanian | Albanian | the blooming, the flowering | |
| Lumturi | Lumturi | Albanian | Albanian | happiness | |
| Lupe | Guadalupe/Guadalupe | Arabic | Spanish | wolf river | |
| Lupita | Guadalupe/Guadalupe | Arabic | Spanish | wolf river | |
| Luqmaan | Luqman | Arabic | Arabic | | |
| Luqman | Luqman | Arabic | Arabic | | |
| Luther | Luther | Old High German | English | Words: people / army, warrior | |
| Lutz | Ludwig/Louise | Old High German | German | Words: loud, famous / fight, battle, war | |
| Luuk | Luke | Old Greek | Dutch | from Lucania | |
| Luukas | Luke | Old Greek | Finnish | from Lucania | |
| Lux | Lucius/Lucia | Latin | English | the bright; born at daybreak | |
| Luzian | Lucius/Lucia | Latin | German | the bright; born at daybreak | |
| Luzius | Lucius/Lucia | Latin | German | the bright; born at daybreak | |
| Luzvimindo | Luzvimindo/Luzviminda | Tagalog | Tagalog | | |
| Lwandle | Lwandle | Zulu | Zulu | ocean | |
| Lyam | William/Wilhelma | Old High German | French | Words: will, desire / helmet, protection | |
| Lyes | Lyes | Unknown | Arabic | | |
| Lyle | Lyle | Old French | English | from the island | |
| Lyndon | Lyndon | Old English | English | linden tree hill | |
| Lyric | Lyric/Lyric | English | English | lyric, song-like | |
| Lysander | Lysander/Lysandra | Old Greek | German | Words: release, loosening / man | |