| Name | Meaning | Gender | Origin |
|---|
| Kelly | Lively: aggressive.
| Female | Irish |
| Kermit | free man | Male | Irish |
| Kerry | dark, dark-haired | Male | Irish |
| Khaki | Light olive brown colour | Unisex | |
| Khiewwan | | Unisex | Hebrew |
| Kiara | Italian, light, clear | Female | Spelling |
| Kim | chief | Male | English |
| Kodiak | Large Alaskan brown bear. | Female | Russian |
| Kona | Dark rich coffee blend from Hawaii. | Unisex | |
| Krishna | dark, black | Male | Sanskrit |
| Kumut | | Unisex | |
| Kura | Treasure House | Unisex | Japanese |
| Latte | Expresso coffee mixed with steamed milk - a caf latte. | Male | |
| Lavender | Lavender, A Purple Flower | Female | English |
| Lavern | Woodland.
| Female | |
| Laverne | Woodland.
| Female | |
| Layla | night | Female | Arabic |
| Layla | night | Female | Arabic |
| Lela | Night | Unisex | Arabic |
| Leslie | dweller in the gray castle; small meadow | Female | Scottish |
| Liberty | Free
| Female | Word |
| Licorice | Confection made from the licorice root. | Unisex | |
| Lightning | | Unisex | Hebrew |
| Lila | night | Female | Arabic |
| Lilac | Bluish Purple | Female | Latin |