| Name | Meaning | Gender | Origin |
|---|
| Hunter | A hunter. One who searches for something | Male | English |
| Indie | | Unisex | Hebrew |
| Ivy | ivy plant, a wine | Female | Plant |
| Jackpot | | Unisex | Hebrew |
| Jesse | wealthy | Male | Hebrew |
| Jonah | Dove. In the bible Jonah was on board a ship God caused to sink: sailors traditionally use the name Jonah to personify someone who brings bad luck.
| Male | Hebrew |
| Journey | Journey | Female | English |
| Julius | after Julius Caesar | Male | Latin |
| K.C. | Kitchen Cat | Unisex | |
| Karma | Fate or destiny (Hinduism and Buddhism) | Female | Hindi |
| Keeper | | Unisex | Hebrew |
| Kit | Nickname for Christopher. Frontiersman Kit Carson.
| Male | English |
| Kitty | Variant of Katherine. Pure.
| Female | English |
| Kitty | Variant of Katherine. Pure.
| Female | English |
| Kitty | Variant of Katherine. Pure.
| Female | English |
| Kitty Kat | | Unisex | Hebrew |
| Kudzu | | Unisex | |
| Kylie | Boomerang. Feminine form of Kyle.
| Female | Aboriginal |
| Leaf | | Male | |
| Liberty | Free
| Female | Word |
| Little John | | Male | |
| Little Kitty | | Unisex | Hebrew |
| Little Man | | Unisex | |
| Lottie | free man | Female | English |
| Lotus | freamlike, lotus flower | Female | Greek |