| Name | Meaning | Gender | Origin |
|---|
| Moonshine | Moonlight or illegally distilled whiskey. | Unisex | |
| Moose | Largest member of the deer family. Moose have heavy brown bodies with humped shoulders and broad antlers. | Unisex | |
| Morgan | circle; sea | Female | Welsh |
| Morning Glory | | Unisex | Hebrew |
| Muffin | A small cup shaped cake | Unisex | |
| Mustard | Seeds ground into paste and used as a spicy condiment | Unisex | |
| Nacho | Small triangles of tortilla topped with cheese. | Male | Word |
| Napoleon | Hound Dog from the AristoCats
| Male | Greek |
| Nellie | the bright one | Female | English |
| Nemo | from the glen | Male | Greek |
| Nevada | Snow-clad. A western USA state.
| Male | Spanish |
| Nilla | glorious | Female | African |
| Nola | Noble or Famous | Female | Gaelic |
| Noodle | A narrow ribbon-like strip of dough | Unisex | |
| Noodles | | Male | |
| Nora | Abbreviation of Eleanora light and Honora honor.
| Female | Irish |
| Nougat | | Unisex | |
| Nugget | as in Chicken | Unisex | |
| Nutmeg | | Male | |
| Oj | Short for orange juice. | Male | |
| Okra | | Unisex | Hebrew |
| Old Yeller | | Unisex | Hebrew |
| Oleander | | Unisex | |
| Oleo | | Unisex | Hebrew |
| Oliver | The olive tree. The biblical olive tree symbolizes fruitfulness and beauty and dignity. Extending an olive branch signifies an offer of peace.
| Male | Latin |