| Name | Meaning | Gender | Origin |
|---|
| Professor | | Male | |
| Queen | A female sovereign | Female | Word |
| Ramone | Form of Raymond Guards wisely.
| Male | Musical |
| Ramsey | ram's land | Unisex | |
| Randall | Variants of Randolph Wolf's shield. Surname.
| Male | English |
| Red | A primary colour resembling the colour of blood | Male | Color |
| Referee | | Unisex | |
| Remy | Brand of French cognac | Male | |
| Rex | after the Rex Banner character in The Simpsons cartoons | Male | Latin |
| Rick | aka Richard, Dick and Little Man | Male | English |
| Riley | courageous | Female | Irish |
| River | | Male | |
| Rosie | From Rose - The most beautiful of flowers | Female | English |
| Roz | Rose | Female | Polish |
| Russell | Red as a fox. | Male | |
| Sally | saviour | Female | English |
| Sarge | Noncommissioned Army or Air Force rank | Male | |
| Scott | from Scotland | Male | English |
| Scrat | | Unisex | |
| Scud | | Unisex | Hebrew |
| Sheldon | protected hill | Male | English |
| Sheriff | | Unisex | Hebrew |
| Sid | | Unisex | |
| Skinner | | Unisex | Hebrew |
| Slim | Slender in proportion to height. | Unisex | |