| Landebert | | - | Ancient Germanic | |
| Lanford | | LAN-fərd | English (Rare) | |
| Langdon | | LANG-dən | English (Rare) | |
| Lani | | - | Hawaiian | |
| Lanre | | - | Western African, Yoruba | |
| Lanzo | | LAHN-tso (German) | German, Ancient Germanic | |
| Lapo | | - | Italian | |
| Lara (1) | | LAHR-ə (English), LAH-rah (German, Italian, Spanish, Portuguese) | Russian, English, German, French, Italian, Spanish, Portuguese, Dutch, Hungarian, Slovene, Croatian | |
| Lara (2) | | - | Roman Mythology | |
| Larisa | | lah-REE-sah (Russian) | Russian, Ukrainian, Romanian, Latvian, Greek Mythology | |
| Larissa | | lə-RIS-ə (English) | English, Portuguese (Brazilian), Greek Mythology (Latinized) | |
| Lark | | LAHRK | English (Rare) | |
| Larkin | | LAHR-kin | Medieval English | |
| Lars | | LAHSH (Swedish, Norwegian), LAHRS (Danish, Finnish) | Swedish, Norwegian, Danish, Finnish, Dutch, German | |
| Larunda | | - | Roman Mythology | |