| Name | Meaning | Gender | Origin |
|---|
| Katerina | Blessed, Pure, Holy | Unisex | Czechoslovakian |
| Katherine | Pure. Used since third century A.D. Early Latin forms Katerina and Caterina became Katharine and Catherine. French Cateline and English Catlyn came into wider use during medieval period when variants multiplied.
| Female | Greek |
| Kathleen | Innocent
| Female | Anglicized |
| Katie | Variant of Katherine. Pure.
| Female | English |
| Katya | pure | Female | Russian |
| Kira | Dark Lady.
| Female | Russian |
| Kitty | Variant of Katherine. Pure.
| Female | English |
| Kitty | Variant of Katherine. Pure.
| Female | English |
| Kitty | Variant of Katherine. Pure.
| Female | English |
| Kyle | A place-name referring to the narrows: a wood or a church.
| Male | Scottish |
| Kylie | Boomerang. Feminine form of Kyle.
| Female | Aboriginal |
| Laila | Night, dark beauty.
| Female | Spelling |
| Larissa | name of a city, mythical woman; cheerful one | Female | Ltin |
| Laura | bay laurel | Female | Latin |
| Laurel | Laurel
| Female | Latin |
| Layla | night | Female | Arabic |
| Layla | night | Female | Arabic |
| Leia | Weary | Unisex | Hebrew |
| Lela | Night | Unisex | Arabic |
| Lila | night | Female | Arabic |
| Lilian | lily | Female | English |
| Lillian | lily, a flower | Female | English |
| Lilly | Lily | Female | English |
| Lily | Lily
| Female | English |
| Liz | Hebrew, pledged to God | Female | English |