| Name | Meaning | Gender | Origin |
|---|
| Myrtle | a flower, symbol of victory | Female | Greek |
| Nadia | hope | Female | Russian |
| Nala | African for love, after the character in the Lion King movies | Female | African |
| Natalie | birthday of the Lord | Female | |
| Nellie | the bright one | Female | English |
| Nermal | | Unisex | |
| Nessie | From Agnes - Pure and chaste. | Female | |
| Noodles | | Male | |
| Norma | the pattern | Female | English |
| Nugget | as in Chicken | Unisex | |
| Nutmeg | | Male | |
| Octavia | eighth | Female | Latin |
| Olive | kind one; olive tree, peace. Symbol of peace. A small oval fruit. | Female | English |
| 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 |
| Olivia | Olive
| Female | Latin |
| Opal | Australian gemstone of remarkable colours, usually red, blue or green | Female | Sanskrit |
| Opal | Australian gemstone of remarkable colours, usually red, blue or green | Female | Sanskrit |
| Oreo | American cookie brand consisting of two chocolate wafers with white cream filling. | Male | |
| Oreo | American cookie brand consisting of two chocolate wafers with white cream filling. | Male | |
| Oscar | God's spear.
| Male | English |
| Paisley | church, cemetery | Female | Scottish |
| Panda | A bear like Chinese mammal, with distinct black and white markings | Male | |
| Papoose | | Unisex | Hebrew |
| Paris | Brand of perfume. | Female | |
| Patches | | Male | |