| Name | Meaning | Gender | Origin |
|---|
| Rolo | Burmese | Unisex | English |
| Romey | Sea dew | Unisex | Latin |
| Romy | Sea dew | Unisex | Latin |
| Ronnie | Ruler with counsel | Unisex | Norse |
| Ros | Weak, tender or soft horse | Female | Germanic |
| Rosalind | Weak, tender or soft horse | Female | Germanic |
| Rosalyn | Weak, tender or soft horse | Female | Germanic |
| Rosamund | Horse protection | Female | German |
| Rosemarie | Sea dew | Female | Latin |
| Rosie | Rose | Female | Latin |
| Roth | Famous | Male | Germanic |
| Roxanne | Star | Female | Persian |
| Roxy | Star | Female | Persian |
| Roz | Weak, tender or soft horse | Female | Germanic |
| Ruby | Red | Female | Latin |
| Rudolph | Famous wolf | Male | Germanic |
| Rudy | Famous wolf | Male | Germanic |
| Rufus | Red | Male | Latin |
| Rusty | Rusty, full of rust | Unisex | American English |
| Sabine | Of the Sabine tribe | Female | Latin |
| Sabre | | Unisex | Hebrew |
| Sadie | Princess | Female | Hebrew |
| Sam | He is called god | Male | Hebrew |
| Sammy | His name is God | Unisex | Hebrew |
| Samson | Sun | Male | Hebrew |
| Sandy | Defending men | Male | Greek |
| Sara | Princess | Female | Hebrew |
| Sascha | Defending men | Unisex | Greek |
| Sasha | Defending men | Unisex | Greek |
| Saskia | Saxon woman | Female | Dutch |