| Name | Meaning | Gender | Origin |
|---|
| Peewee | | Unisex | |
| Pie | A baked pastry filled with fruit or meat. | Unisex | |
| Pizza | A baked shallow crust covered with tomato sauce, cheese and other toppings. | Unisex | |
| Poison | A destructive or fatal substance. | Unisex | |
| Pop | | Unisex | Hebrew |
| Pops | | Unisex | |
| Pud | a shortened form of the slang term pud-pud | Unisex | |
| Pudge | | Unisex | |
| Putt-Putt | | Unisex | Hebrew |
| Rabbit | | Unisex | |
| Rat | | Unisex | |
| Rickey | Powerful, Brave Ruler | Unisex | English |
| Ron | Ronald | Unisex | |
| Rose | Flower
| Female | Latin |
| Rosie | From Rose - The most beautiful of flowers | Female | English |
| Ruth | compassionate friend | Female | Hebrew |
| Sparky | Animated, lively. | Unisex | |
| Splinter | | Unisex | Hebrew |
| Stonewall | | Unisex | Hebrew |
| Stretch | To extend to full length. | Unisex | |
| Teddy | From Edward - Prosperous guardian | Unisex | |
| Theresa | reaper | Female | English |
| Thumper | To walk with heavy steps | Unisex | |
| Thunderbolt | | Unisex | Hebrew |
| Toni | priceless one | Female | English |