| Name | Meaning | Gender | Origin |
|---|
| Link | English, town by the pool | Male | Word |
| Little Mama | | Unisex | Hebrew |
| Lollipop | | Unisex | |
| Love Bug | | Unisex | Hebrew |
| Lover | | Unisex | |
| Loverboy | | Unisex | |
| Lovey | British term for darling or favorite. | Unisex | |
| Lovey Dovey | | Unisex | Hebrew |
| Magic | Possessing qualities that produce baffling effects | Male | Word |
| Magic | Possessing qualities that produce baffling effects | Male | Word |
| Major | Army or Air Force rank above Captain but below Lieutenant Colonel | Male | Latin |
| Mandi | Lovable | Unisex | English |
| Marshmallow | A soft spongy sweet confectionery. Also a timid person. | Unisex | |
| Mateus | Gift Of God | Unisex | Portuguese |
| Merlin | Character on Chocolate Frog card.
| Male | Welsh |
| Mine | a resolute protector | Unisex | |
| Mistress | | Unisex | Hebrew |
| Monkey | | Unisex | |
| Moonbeam | | Unisex | |
| Moose | Largest member of the deer family. Moose have heavy brown bodies with humped shoulders and broad antlers. | Unisex | |
| Movie Star | | Unisex | Hebrew |
| Muffin | A small cup shaped cake | Unisex | |
| Munchkin | A very small elflike person. | Unisex | |
| Muppet | | Unisex | Hebrew |
| My love | | Unisex | Hebrew |