| Name | Meaning | Gender | Origin |
|---|
| Nutmeg | | Unisex | Hebrew |
| Oliver | Elf army | Male | French |
| Olivia | Elf army | Female | English |
| Oreo | American cookie brand consisting of two chocolate wafers with white cream filling. | Unisex | English |
| Orion | Son Of Fire | Male | Greek |
| Oscar | Divine spear | Male | English |
| Othello | Wealth | Male | German |
| Otis | One who hears well | Male | Greek |
| Otto | Wealth | Male | German |
| Oz | Divine | Male | English |
| Pablo | Small | Male | Latin |
| Page | Page | Male | English |
| Paisley | Church, cemetery | Unisex | English |
| Pansy | Thought | Female | English |
| Patches | | Unisex | Hebrew |
| Paxton | Settlement of Poecc | Male | English |
| Peaches | Red, yellow skinned fleshy fruit | Unisex | English |
| Peanut | Edible nuts eaten raw or roasted. | Unisex | English |
| Pearl | Pearl | Female | English |
| Pebbles | After the character in 'The Flintstones' cartoons | Female | English |
| Penny | Weaver | Female | Greek |
| Pepper | Pepper | Female | English |
| Peyton | Settlement of PÅ“ga | Unisex | English |
| Pickles | Food flavored in a solution of vinegar | Unisex | English |
| Pip | Lover of horses | Unisex | Greek |
| Pipsqueak | | Unisex | Hebrew |
| Pixie | A fairy like creature. Playful and mischievous | Female | English |
| Poco | Little. | Unisex | English |
| Poppy | Poppy flower | Female | English |
| Precious | Loved | Female | English |