| Name | Meaning | Gender | Origin |
|---|
| Rowdy | A rough disorderly person. | Male | American |
| Royce | son of the king | Male | English |
| Ruby | Jewel
| Female | Latin |
| Ruckus | | Unisex | |
| Rudy | From Rudolph - Famous wolf | Male | |
| Rum | Alcohol distilled from sugar. | Unisex | |
| Runt | | Unisex | Hebrew |
| Rupert | middle name: Biggles | Male | |
| Rush | red-haired | Male | English |
| Rusty | Covered in rust - a brownish red colour. | Unisex | |
| Sabine | Of Sabine, Italy | Unisex | French |
| Sable | A carnivorous mammal of Northern Europe with soft, dark fur. | Female | Animal |
| Sachi | bliss-child; wife of Indra | Unisex | |
| Saffron | A cooking spice | Female | Spice |
| Sage | Aromatic grayish-green herb. Wise or experienced person. | Female | |
| Salem | Peace
| Male | Hebrew |
| Sallie | Princess | Unisex | English |
| Sam | to hear | Male | English |
| Sammy | Hebrew, told by God | Male | English |
| Sampson | sun | Male | Hebrew |
| Santa | after the novel by Federico Gamboa | Female | Feminine |
| Sapphire | Precious Gem | Female | Hebrew |
| Sarah | Princess
| Female | Hebrew |
| Sasha | defending men | Female | Russian |
| Sassafras | | Male | Hebrew |