| Name | Meaning | Gender | Origin |
|---|
| Odd | Sword's Point | Unisex | Norwegian |
| Odin | Viking mythology: the allmighty god | Male | Old |
| Only | | Unisex | Hebrew |
| Ordinary | | Unisex | Hebrew |
| Orlando | Famous land
| Male | Italian |
| Othello | he has the sound of God | Male | Hebrew |
| Ozone | | Male | Hebrew |
| Papa | | Unisex | |
| Paradise | | Unisex | |
| Paw Paw | | Unisex | |
| Paxton | From the peaceful farm
| Male | Latin |
| Peanut | Edible nuts eaten raw or roasted. | Unisex | |
| Perfection | | Unisex | Hebrew |
| Persia | | Male | Hebrew |
| Phoenix | Mystical Bird, Purple
| Male | Greek |
| Phoenix | Mystical Bird, Purple
| Male | Greek |
| Pig | | Unisex | Hebrew |
| Pigeon | | Male | |
| Pillow | A cloth case stuffed with something soft to cushion the head during sleep. | Unisex | |
| Pluto | The ninth and most distant planet from the sun | Male | |
| Ponder | | Unisex | Hebrew |
| Quick | Speedy and fast. | Unisex | |
| Quincey | | Unisex | |
| Raleigh | dweller by the deer meadow | Male | English |
| Ransom | son of the shield; redeemer | Male | English |