| Name | Meaning | Gender | Origin |
|---|
| Nelson | Son of Neal | Male | English |
| Neville | New town | Male | French |
| Nipper | A small boy | Unisex | English |
| Nougat | | Unisex | Hebrew |
| Oscar | Divine spear | Male | English |
| Paddy | Patrician | Male | Latin |
| Paws | | Unisex | Hebrew |
| Peanut | Edible nuts eaten raw or roasted. | Unisex | English |
| Perry | Foreigner, stranger | Male | Latin |
| Pip | Lover of horses | Unisex | Greek |
| Puddles | | Unisex | Hebrew |
| Pumpkin | Large round fruit with orange skin | Unisex | English |
| Rags | | Unisex | Hebrew |
| Rascal | One that is playfully mischievous | Unisex | English |
| Reese | Enthusiasm | Male | Welsh |
| Riley | Rye clearing | Male | English |
| Rio | River | Male | Spanish |
| Rocket | To move swiftly and powerfully | Unisex | English |
| Rocky | Battle cry | Male | Germanic |
| Rolo | Burmese | Unisex | English |
| Rowdy | Boisterous. Western Nickname. | Unisex | English |
| Rufus | Red | Male | Latin |
| Sam | He is called god | Male | Hebrew |
| Sammy | His name is God | Unisex | Hebrew |
| Sandy | Defending men | Male | Greek |
| Sasha | Defending men | Unisex | Greek |
| Sassy | Lively and spirited | Unisex | English |
| Scooter | One who goes suddenly and speedily. | Unisex | English |
| Scrappie | | Unisex | Hebrew |
| Shorty | Of less than average size | Unisex | English |