| Name | Meaning | Gender | Origin |
|---|
| Riley | Rye clearing | Male | English |
| Ringo | Apple, peace be with you | Male | 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 |
| Rocky | Battle cry | Male | Germanic |
| Rollo | Famous wolf | Male | English |
| Romy | Sea dew | Unisex | Latin |
| Rory | Red king | Male | Gaelic |
| Roxie | Star | Unisex | Persian |
| Rusty | Rusty, full of rust | Unisex | American English |
| Salem | Secure, peace | Unisex | Arabic |
| Sam | He is called god | Male | Hebrew |
| Sammy | His name is God | Unisex | Hebrew |
| Sandy | Defending men | Male | Greek |
| Sasha | Defending men | Unisex | Greek |
| Sawyer | One who saws wood | Male | English |
| Scully | Town Crier | Male | English |
| Shadow | Shadow | Unisex | English |
| Sherman | One who shears cloth | Male | English |
| Shilo | Gift for him | Unisex | Hebrew |
| Shorty | Of less than average size | Unisex | English |
| Silas | Of the forest | Male | Latin |
| Skittles | | Unisex | Hebrew |
| Slim | Slender in proportion to height. | Unisex | English |
| Sloan | Fighter | Male | American English |
| Snowflake | Single flake or crystal of snow. | Unisex | English |
| Spencer | Someone who gives out goods | Male | French |
| 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 |