| Name | Meaning | Gender | Origin |
|---|
| Roo | | Unisex | Hebrew |
| Rosie | From Rose - The most beautiful of flowers | Female | English |
| Rowdy | A rough disorderly person. | Male | American |
| Roxy | From Roxanne - Brilliant dawn | Female | English |
| Ruby | Jewel
| Female | Latin |
| Rumi | | Unisex | |
| Rusty | Covered in rust - a brownish red colour. | Unisex | |
| Sabrina | Legendary princess
| Female | Celtic |
| Sadie | Princess
| Female | English |
| Sake | Alcoholic beverage made from rice. | Unisex | |
| Salem | Peace
| Male | Hebrew |
| Sam | to hear | Male | English |
| Samantha | A listener | Female | Hebrew |
| Sami | All hearing
| Male | English |
| Sammie | | Unisex | |
| Sammy | Hebrew, told by God | Male | English |
| Sampson | sun | Male | Hebrew |
| Samson | Bright sun
| Male | Hebrew |
| Sandy | Abbreviation of Alexander defender of man.
| Male | Scottish |
| Sapphire | Precious Gem | Female | Hebrew |
| Sasha | defending men | Female | Russian |
| Sassy | Lively and spirited | Female | |
| Savannah | From the open plain
| Female | Spanish |
| Scarlet | Scarlet coloured, deep red | Female | Color |
| Schnapps | Variety of strong liquor usually associated with Holland | Unisex | |