| Name | Meaning | Gender | Origin |
|---|
| Ricki | Feminine variation of Frederick, peaceful ruler, English from German | Female | Feminine |
| Riley | courageous | Female | Irish |
| Ripley | after the novel and the movie The Talented Mr. Ripley | Male | English |
| Rita | pearl, precious | Female | English |
| River | | Male | |
| Roger | famous spearman, quiet | Male | |
| Rory | aka Rors | Male | Irish |
| Rosie | From Rose - The most beautiful of flowers | Female | English |
| Rowan | red-haired; rugged | Male | Scottish |
| Rowen | Welsh for slender and wize | Unisex | |
| Roxanna | little star | Female | Persian |
| Roxanne | Dawn
| Female | Persian |
| Roxie | Persian, dawn | Female | English |
| Roxy | From Roxanne - Brilliant dawn | Female | English |
| Ruby | Jewel
| Female | Latin |
| Sabrina | Legendary princess
| Female | Celtic |
| Sacha | helper and defender of mankind | Male | |
| Sadie | Princess
| Female | English |
| Saffron | A cooking spice | Female | Spice |
| Sailor | One who serves in the navy or works on a ship. | Male | Occupational |
| Samantha | A listener | Female | Hebrew |
| Sammy | Hebrew, told by God | Male | English |
| Sasha | defending men | Female | Russian |
| Saskia | Saxon | Female | Dutch |
| Savannah | From the open plain
| Female | Spanish |