| Name | Meaning | Gender | Origin |
|---|
| Pipsqueak | | Unisex | Hebrew |
| Pixel | | Unisex | Hebrew |
| Pluto | Wealth, riches | Unisex | Greek |
| Poco | Little. | Unisex | English |
| Puddles | | Unisex | Hebrew |
| Pumpkin | Large round fruit with orange skin | Unisex | English |
| Quimby | From the woman's estate | Unisex | English |
| Rafferty | Wielder of prosperity | Unisex | Gaelic |
| Rainbow | Rainbow | Unisex | English |
| Rascal | One that is playfully mischievous | Unisex | English |
| Robbin | Famed: Bright: Shining Form Of Robert Popular Since The Medieval Days Of Robin Hood. Robinson: (English) Son Of Robert Famed: Bright: Shining. Surname. | Unisex | English |
| Romy | Sea dew | Unisex | Latin |
| Roxie | Star | Unisex | Persian |
| Rusty | Rusty, full of rust | Unisex | American English |
| Salem | Secure, peace | Unisex | Arabic |
| Sammy | His name is God | Unisex | Hebrew |
| Sasha | Defending men | Unisex | Greek |
| Shadow | Shadow | Unisex | English |
| Shilo | Gift for him | Unisex | Hebrew |
| Shorty | Of less than average size | Unisex | English |
| Skittles | | Unisex | Hebrew |
| Slim | Slender in proportion to height. | Unisex | English |
| Snowflake | Single flake or crystal of snow. | Unisex | English |
| Sprite | Lemonade flavored soft drink. | Unisex | English |
| Squirt | Slang for a small person | Unisex | English |
| Stumpy | A short, thickset person | Unisex | English |
| Sweetie | Sweetheart. | Unisex | English |
| Taboo | | Unisex | Hebrew |
| Taz | Wild Animal, Thrid Born | Unisex | American |
| Teeny | | Unisex | Hebrew |