| Name | Meaning | Gender | Origin |
|---|
| Oreo | American cookie brand consisting of two chocolate wafers with white cream filling. | Male | |
| Orion | Son of Fire
| Male | Greek |
| Orla | Irish name meaning golden princess | Female | Irish |
| Oscar | God's spear.
| Male | English |
| Otto | Born eighth or wealthy
| Male | |
| Owen | Young fighter
| Male | Welsh |
| Panda | A bear like Chinese mammal, with distinct black and white markings | Male | |
| Pandora | talented one | Female | Greek |
| Parker | cultivated land | Male | English |
| Patches | | Male | |
| Peanut | Edible nuts eaten raw or roasted. | Unisex | |
| Penelope | Dream weaver
| Female | Greek |
| Penny | Greek, weaver | Female | English |
| Pepper | A spice or condiment. | Male | Sanskrit |
| Pepsi | Brand of cola soft drink. | Male | |
| Phoebe | bright one | Female | Greek |
| Phoebe | bright one | Female | Greek |
| Piper | Piper
| Female | English |
| Poppy | Flower with four crumpled petals in red, orange or white colours | Female | Latin |
| Poppy | Flower with four crumpled petals in red, orange or white colours | Female | Latin |
| Precious | One who is beloved, a darling. | Female | Latin |
| Princess | Female member of a royal family | Female | Word |
| Pumpkin | Large round fruit with orange skin | Male | |
| Quinn | Intelligent
| Female | Irish |
| Remington | from the raven's home | Male | English |