| Name | Meaning | Gender | Origin |
|---|
| Nacho | Small triangles of tortilla topped with cheese. | Male | Word |
| Nemo | from the glen | Male | Greek |
| Noodles | | Male | |
| Nugget | as in Chicken | Unisex | |
| Nutmeg | | Male | |
| Oj | Short for orange juice. | Male | |
| Opie | | Unisex | |
| Opus | | Male | Hebrew |
| Orange | Round citrus fruit originating in Southeast Asia. | Female | Fruit |
| Orange | Round citrus fruit originating in Southeast Asia. | Female | Fruit |
| Orange Juice | | Unisex | |
| Orangina | | Unisex | Hebrew |
| Oscar | God's spear.
| Male | English |
| Pamela | honeyed | Female | English |
| Pansy | thought | Female | English |
| Paprika | Spicy powder made from sweet red peppers. | Unisex | |
| Peach | | Unisex | |
| Peaches | Red, yellow skinned fleshy fruit | Female | English |
| Peaches | Red, yellow skinned fleshy fruit | Female | English |
| Peanut | Edible nuts eaten raw or roasted. | Unisex | |
| Pekoe | after orange pekoe tea | Unisex | |
| Penny | Greek, weaver | Female | English |
| Peppermint | | Male | Hebrew |
| Pepperoni | | Unisex | |
| Pepsi | Brand of cola soft drink. | Male | |