| Name | Meaning | Gender | Origin |
|---|
| Nathan | given | Male | Hebrew |
| Nazilla | Cute | Unisex | Persian |
| Nero | stern | Male | Latin |
| Nibbles | | Unisex | |
| Nicholas | victorious people | Male | Greek |
| Nipper | A small boy | Unisex | |
| Noah | Comfort
| Male | Hebrew |
| Noel | Christmas
| Male | |
| Nolan | Noble
| Male | Irish |
| Nox | latin for night | Unisex | |
| Oakley | from the oak meadow | Male | English |
| Ocean | | Male | |
| 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 |
| Ollie | Latin, olive tree | Male | English |
| Onyx | A gemstone with bands of different colours. | Male | |
| 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 | |
| Orson | Little bear
| Male | Latin |
| Oscar | God's spear.
| Male | English |
| Pancho | Nickname for Francisco and Frank.
| Male | Spanish |
| Parker | cultivated land | Male | English |
| Pebbles | after the character in 'The Flintstones' cartoons | Male | |
| Pepper | A spice or condiment. | Male | Sanskrit |
| Peter | A rock. Peter the biblical fisherman and apostle had impulsive nature and rocklike faith. In Catholic tradition he is the first pope.
| Male | Greek |
| Phoenix | Mystical Bird, Purple
| Male | Greek |