| Name | Meaning | Gender | Origin |
|---|
| Joe | Abbreviation of Joseph.
| Male | English |
| Joe | Abbreviation of Joseph.
| Male | English |
| Johny | | Male | |
| Jorge | Spanish form of George farmer
| Male | Spanish |
| Junior | Youthful person. Used to distinguish son from father where they have the same name | Male | Latin |
| Kahlua | | Unisex | |
| Kasha | | Unisex | Hebrew |
| Kit | Nickname for Christopher. Frontiersman Kit Carson.
| Male | English |
| Kody | Assistant, a cushion, possessions.
| Male | Spelling |
| Ko-Ko | | Unisex | Hebrew |
| Kona | Dark rich coffee blend from Hawaii. | Unisex | |
| Latte | Expresso coffee mixed with steamed milk - a caf latte. | Male | |
| Leroy | The king.
| Male | |
| Leroy Brown | | Unisex | |
| Lindy | Serpent | Unisex | English |
| Livingston | dear friend's place | Male | English |
| Luis | Famous fighter
| Male | |
| Mac | Son of
| Male | Scottish |
| Maestro | | Male | |
| Magnum | A large type of wine bottle. | Unisex | |
| Marmite | | Unisex | |
| Martin | Warlike person. | Male | Latin |
| Maurice | moorish; dark; moor land | Male | Latin |
| Maxwell | Capable
| Male | Scottish |
| Meatloaf | after the rock band | Male | |