| Name | Meaning | Gender | Origin |
|---|
| Jake | Supplanted | Male | Hebrew |
| Jaws | Bones that form the mouth. A dangerous situation - "The Jaws of Death" | Unisex | English |
| Jordan | Descend | Male | Hebrew |
| Jupiter | Father god | Unisex | Latin |
| Justice | Righteous | Unisex | Latin |
| Kai | Rejoice | Male | Finnish |
| Kaiser | Emperor: Variant Of Caesar. | Male | Latin |
| King | King's forest clearing | Male | English |
| Kishi | Beach, seashore | Unisex | Japanese |
| Kisses | One who likes to kiss | Unisex | English |
| Klaus | Victory of the people | Male | Greek |
| Koda | The allies | Unisex | Native American |
| Lady | Lady | Unisex | English |
| Lennox | From Levenach | Male | Gaelic |
| Lizzie | My God is a vow | Unisex | Hebrew |
| Louis | Fame and war | Male | Germanic |
| Loyal | Faithful to a person, place or idea | Unisex | English |
| Lucky | Fortunate | Unisex | English |
| Mac | Son of | Male | Gaelic |
| Maestro | | Unisex | Hebrew |
| Magnum | A large type of wine bottle. | Unisex | English |
| Majestic | | Unisex | Hebrew |
| Marco | From the god Mars | Male | Latin |
| Marshall | Horse servant | Male | Germanic |
| Max | Little Maximus | Male | Latin |
| Maximus | The greatest | Male | Latin |
| Mickey | Who is like God? | Unisex | Hebrew |
| Miko | Crimson truth | Male | Japanese |
| Miracle | Wonder | Unisex | English |
| Mischief | One that causes minor trouble or disturbances | Unisex | English |