| Name | Meaning | Gender | Origin |
|---|
| Pumpkin | Large round fruit with orange skin | Male | |
| Punky | | Unisex | |
| Rainbow | | Female | |
| Reba | From Rebecca - The captivator | Female | Hebrew |
| Rembrandt | | Male | |
| Rigby | Lives in the ruler
| Male | English |
| Riley | courageous | Female | Irish |
| Ripley | after the novel and the movie The Talented Mr. Ripley | Male | English |
| Rococo | | Unisex | Hebrew |
| Roma | | Female | |
| Romeo | pilgrim to Rome | Male | Italian |
| Rose | Flower
| Female | Latin |
| Rosebud | | Unisex | Hebrew |
| Rosey | | Female | |
| Rosie | From Rose - The most beautiful of flowers | Female | English |
| Roxy | From Roxanne - Brilliant dawn | Female | English |
| Ruby | Jewel
| Female | Latin |
| Ruffles | A strip of frilled fabric. Irregular | Unisex | |
| Rumi | | Unisex | |
| Sabine | Of Sabine, Italy | Unisex | French |
| Sadie | Princess
| Female | English |
| Sallie | Princess | Unisex | English |
| Sally | saviour | Female | English |
| Sandy | Abbreviation of Alexander defender of man.
| Male | Scottish |
| Sassy | Lively and spirited | Female | |