| Lachlan | | - | Scottish, English (Australian) | |
| Lana | | LAH-nə (English) | English, Russian, Croatian, Serbian | |
| Lara (1) | | LAHR-ə (English), LAH-rah (German, Italian, Spanish, Portuguese) | Russian, English, German, French, Italian, Spanish, Portuguese, Dutch, Hungarian, Slovene, Croatian | |
| Larisa | | lah-REE-sah (Russian) | Russian, Ukrainian, Romanian, Latvian, Greek Mythology | |
| Lavrenti | | - | Russian | |
| Lavrentiy | | - | Russian | |
| Lavrenty | | - | Russian | |
| Lazar | | LAH-zahr (Russian, Serbian, Croatian) | Russian, Bulgarian, Serbian, Croatian, Macedonian | |
| Lena | | LE-nah (German, Polish, Italian), LYE-nah (Russian), LEE-nə (English) | Swedish, Norwegian, Danish, German, Polish, Russian, English, Italian, Portuguese | |
| Leonid | | lye-ah-NEET (Russian), lee-ah-NEET (Russian) | Russian, Ukrainian | |
| Leonti | | - | Russian | |
| Leontiy | | - | Russian | |
| Leonty | | - | Russian | |
| Lera | | - | Russian, Ukrainian | |
| Lev (1) | | LYEF | Russian | |