| Lidiya | | LEE-dee-yah (Russian) | Russian, Bulgarian | |
| Lidochka | | - | Russian | |
| Lilia | | - | Russian, Ukrainian | |
| Liliya | | - | Russian, Ukrainian, Bulgarian | |
| Lilya | | - | Russian, Ukrainian | |
| Liouba | | - | Russian | |
| Liza | | LIE-zə (English) | English, Russian, Hungarian | |
| Lizaveta | | - | Russian | |
| Lourdes | | LOOR-des (Spanish), LUWRD (French), LAWRDZ (English) | Spanish, Various | |
| Luba | | - | Russian, Ukrainian | |
| Ludmila | | - | Czech, Russian | |
| Ludmilla | | - | Russian, Bulgarian | |
| Luka | | - | Russian, Serbian, Croatian, Slovene, Macedonian, Georgian, Old Church Slavic | |
| Lux | | LUKS (English) | Various | |
| Lyosha | | - | Russian | |