| Liliya | | - | Russian, Ukrainian, Bulgarian | |
| Lilya | | - | Russian, Ukrainian | |
| Liouba | | - | Russian | |
| Liza | | LIE-zə (English) | English, Russian, Hungarian | |
| Lizaveta | | - | Russian | |
| Luba | | - | Russian, Ukrainian | |
| Ludmila | | - | Czech, Russian | |
| Ludmilla | | - | Russian, Bulgarian | |
| Luka | | - | Russian, Serbian, Croatian, Slovene, Macedonian, Georgian, Old Church Slavic | |
| Lyosha | | - | Russian | |
| Lyov | | LYOF | Russian | |
| Lyuba | | - | Russian, Ukrainian | |
| Lyubochka | | - | Russian, Ukrainian | |
| Lyubov | | lyoo-BOF (Russian) | Russian, Bulgarian, Ukrainian | |
| Lyudmila | | lyood-MEE-lah (Russian) | Russian, Bulgarian, Medieval Slavic | |