| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Kostyantyn | - | Ukrainian | ||
| Kyrylo | - | Ukrainian | ||
| Larisa | lah-REE-sah (Russian) | Russian, Ukrainian, Romanian, Latvian, Greek Mythology | ||
| Larysa | - | Ukrainian | ||
| Leonid | lye-ah-NEET (Russian), lee-ah-NEET (Russian) | Russian, Ukrainian | ||
| Lera | - | Russian, Ukrainian | ||
| Lesya | - | Ukrainian | ||
| Lilia | - | Russian, Ukrainian | ||
| Liliya | - | Russian, Ukrainian, Bulgarian | ||
| Lilya | - | Russian, Ukrainian | ||
| Luba | - | Russian, Ukrainian | ||
| Lyuba | - | Russian, Ukrainian | ||
| Lyubochka | - | Russian, Ukrainian | ||
| Lyubov | lyoo-BOF (Russian) | Russian, Bulgarian, Ukrainian | ||
| Lyudmyla | - | Ukrainian |