| Name | Meaning | Gender | Origin |
|---|
| Jester | A fool at medieval courts | Unisex | English |
| Jett | Black gemstone | Male | English |
| Jordan | Descend | Male | Hebrew |
| Jove | Zeus, Father | Male | Roman |
| Jules | Down-bearded youth | Unisex | Latin |
| Jupiter | Father god | Unisex | Latin |
| Kenan | Descendant of Cathán | Male | Gaelic |
| Kishi | Beach, seashore | Unisex | Japanese |
| Lady | Lady | Unisex | English |
| Laurent | Man from Laurentum | Male | Latin |
| Leon | Lion | Male | Latin |
| Luc | Man from Lucania | Male | Greek |
| Luce | Light | Male | Latin |
| Lucien | Light | Male | Latin |
| Lucky | Fortunate | Unisex | English |
| Marcel | Little Marcus | Male | Latin |
| Marvin | Uncertain, possibly eminent marrow | Male | Welsh |
| Matt | Gift of God | Male | Hebrew |
| Maurice | Moor | Male | Latin |
| Max | Little Maximus | Male | Latin |
| Maximus | The greatest | Male | Latin |
| Melvin | Uncertain, possibly bad town | Male | English |
| Michel | Who is like God? | Male | Hebrew |
| Mickey | Who is like God? | Unisex | Hebrew |
| Miko | Crimson truth | Male | Japanese |
| Moose | Largest member of the deer family. Moose have heavy brown bodies with humped shoulders and broad antlers. | Unisex | English |
| Murphy | Sea warrior | Male | Gaelic |
| Napoleon | Sons of the mist, a race of dwarves | Male | Germanic |
| Neptune | God of the sea | Unisex | Latin |
| Nero | Stern | Male | Latin |