| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 161 | Kirochka | Russian | Russian form of Helen: light. | F | |
| 162 | Kiryl | Russian | Noble. | M | |
| 163 | Kisa | Russian | Kitten. | F | |
| 164 | Kiska | Russian | Pure. | F | |
| 165 | Kolenka | Russian | Of the conquering people. | M | |
| 166 | Kolya | Russian | Of the conquering people. | M | |
| 167 | Konstantine | Russian | Constant. | M | |
| 168 | Kostenka | Russian | Constant. | M | |
| 169 | Kostya | Russian | Constant. | M | |
| 170 | Ksana | Russian | Praise be to God. | F | |
| 171 | Ksanochka | Russian | Praise be to God. | F | |
| 172 | Lanassa | Russian | Cheerful. | F | |
| 173 | Lara | Russian | Protection. Cheerful. Adopted from Latin. | F | |
| 174 | Lari | Russian | Variant of Lara: protection. | F | |
| 175 | Larisa | Russian | Cheerful. | F | |
| 176 | Larissa | Russian | Variant of Lara: protection. | F | |
| 177 | Laryssa | Russian | Variant of Lara: protection. | F | |
| 178 | Laurente | Russian | Russian form of Lawrence 'laurel'. | M | |
| 179 | Lenusy | Russian | Flower. | F | |
| 180 | Lenya | Russian | Lion. | M | |