| Lamar | | lə-MAHR | English, African American | |
| Lambert | | LAHM-bert (German), LAHM-bərt (Dutch), lam-BER (French), LAM-bərt (English) | German, Dutch, French, English, Ancient Germanic | |
| Lamberto | | lahm-BER-to | Italian | |
| Lamija | | - | Bosnian | |
| Lamprecht | | LAHMP-rekht (German) | German (Archaic), Ancient Germanic | |
| Lana | | LAH-nə (English) | English, Russian, Croatian, Serbian | |
| Lancelot | | LAN-sə-laht (English) | Arthurian Romance | |
| Landebert | | - | Ancient Germanic | |
| 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 | |