| Name | Meaning | Gender | Origin |
|---|
| Miss Kitty | | Unisex | |
| Mittens | | Unisex | |
| Monty | From Montgomer - The mountain hunter. | Male | English |
| Moritz | Dark Skinned | Unisex | German |
| Morris | dark-skinned | Male | English |
| Muanchan | | Unisex | |
| Muffin | A small cup shaped cake | Unisex | |
| Murphy | Sea warrior | Male | Irish |
| Nemo | from the glen | Male | Greek |
| Nutter Butter | | Unisex | |
| Oliver | The olive tree. The biblical olive tree symbolizes fruitfulness and beauty and dignity. Extending an olive branch signifies an offer of peace.
| Male | Latin |
| Ollie | Latin, olive tree | Male | English |
| Oreo | American cookie brand consisting of two chocolate wafers with white cream filling. | Male | |
| Oreo | American cookie brand consisting of two chocolate wafers with white cream filling. | Male | |
| Oscar | God's spear.
| Male | English |
| Panda | A bear like Chinese mammal, with distinct black and white markings | Male | |
| Patch | A pad or shield worn over one eye. | Male | |
| Patches | | Male | |
| Peanut | Edible nuts eaten raw or roasted. | Unisex | |
| Pepper | A spice or condiment. | Male | Sanskrit |
| Prince | Principal one: first. The rock musician Prince.
| Male | Latin |
| Prince James | | Unisex | |
| Puffy | | Unisex | |
| Pumpkin | Large round fruit with orange skin | Male | |
| Puss | | Male | |