| Name | Meaning | Gender | Origin |
|---|
| Ocelot | | Unisex | Hebrew |
| Olive | kind one; olive tree, peace. Symbol of peace. A small oval fruit. | Female | English |
| Onyx | A gemstone with bands of different colours. | Male | |
| Opal | Australian gemstone of remarkable colours, usually red, blue or green | Female | Sanskrit |
| Opal | Australian gemstone of remarkable colours, usually red, blue or green | Female | Sanskrit |
| Orange | Round citrus fruit originating in Southeast Asia. | Female | Fruit |
| Orange | Round citrus fruit originating in Southeast Asia. | Female | Fruit |
| Orchid | | Female | |
| Orion | Son of Fire
| Male | Greek |
| Owl | | Unisex | |
| Pansy | thought | Female | English |
| Panther | A black leopard | Male | |
| Paprika | Spicy powder made from sweet red peppers. | Unisex | |
| Parrot | | Unisex | |
| Parsley | Herb used for seasoning or as a garnish. | Unisex | |
| Pavo | | Unisex | Hebrew |
| Peach | | Unisex | |
| Peaches | Red, yellow skinned fleshy fruit | Female | English |
| Peaches | Red, yellow skinned fleshy fruit | Female | English |
| Pearl | Precious jewel. A hard, rounded gem, usually white in colour | Female | Latin |
| Pegasus | | Male | |
| Peony | flower name | Female | |
| Pepper | A spice or condiment. | Male | Sanskrit |
| Peppermint | | Male | Hebrew |
| Perseus | | Male | |