| Name | Meaning | Gender | Origin |
|---|
| Monet | Solitary | Female | French |
| Monroe | mouth of the Roe River; wheelwright | Female | Scottish |
| Monroe | mouth of the Roe River; wheelwright | Female | Scottish |
| Moose | Largest member of the deer family. Moose have heavy brown bodies with humped shoulders and broad antlers. | Unisex | |
| Mortimer | still water | Male | English |
| Moses | saved; child; taken from water | Male | Egyptian |
| Murdock | victorious at sea | Unisex | |
| Murphy | Sea warrior | Male | Irish |
| Nana | A grandmother. | Female | English |
| Napoleon | Hound Dog from the AristoCats
| Male | Greek |
| Nellie | the bright one | Female | English |
| Nemo | from the glen | Male | Greek |
| Nero | stern | Male | Latin |
| Newman | The newcomer; the new arrival. | Male | English |
| Nietzsche | | Unisex | Hebrew |
| Nipper | A small boy | Unisex | |
| Norma | the pattern | Female | English |
| Octavia | eighth | Female | Latin |
| Odie | Melody | Unisex | French |
| Oprah | Fawn | Female | Hebrew |
| Orlando | Famous land
| Male | Italian |
| Orson | Little bear
| Male | Latin |
| Orville | Gold town.
| Male | |
| Pablo | Little. Form of Paul.
| Male | Spanish |
| Page | young attendant | Male | |