| Katia | Woman | Slavic Names |
| Kisha | Woman | Slavic Names |
| Kole | Man | Slavic Names |
| Kolina | Woman | Slavic Names |
| Kolya | Man | Slavic Names |
| Kostya | Man | Slavic Names |
| Kristina | Woman | Slavic Names |
| Lada | Woman | Slavic Names |
| Lamaria | Woman | Slavic Names |
| Lana | Woman | Slavic Names |
| Larya | Woman | Slavic Names |
| Lel | Man | Slavic Names |
| Lenka | Woman | Slavic Names |
| Lizveth | Woman | Slavic Names |
| Lonna | Woman | Slavic Names |
| Luba | Woman | Slavic Names |
| Luda | Unisex | Slavic Names |
| Ludmila | Woman | Slavic Names |
| Luka | Unisex | Slavic Names |
| Lumina | Woman | Slavic Names |