| Name | Meaning | Gender | Origin |
|---|
| Quinton | Fifth | Male | Latin |
| Rags | | Unisex | Hebrew |
| Rascal | One that is playfully mischievous | Unisex | English |
| Reba | To tie | Female | Hebrew |
| Rebel | One that resists of defies authority | Unisex | English |
| Reese | Enthusiasm | Male | Welsh |
| Rex | King | Male | Latin |
| Riley | Rye clearing | Male | English |
| Rocket | To move swiftly and powerfully | Unisex | English |
| Rocky | Battle cry | Male | Germanic |
| Roger | Famous spear | Male | English |
| Rogue | | Unisex | Hebrew |
| Romeo | Pilgrim to Rome | Male | Italian |
| Rosalyn | Weak, tender or soft horse | Female | Germanic |
| Rosie | Rose | Female | Latin |
| Roxy | Star | Female | Persian |
| Roy | Red | Male | Gaelic |
| Ruby | Red | Female | Latin |
| Rudy | Famous wolf | Male | Germanic |
| Rufus | Red | Male | Latin |
| Rusty | Rusty, full of rust | Unisex | American English |
| Ryan | Little King | Male | Gaelic |
| Sabre | | Unisex | Hebrew |
| Sadie | Princess | Female | Hebrew |
| Saffron | From the spice or the colour, yellow | Female | English |
| Sam | He is called god | Male | Hebrew |
| Sammy | His name is God | Unisex | Hebrew |
| Samson | Sun | Male | Hebrew |
| Sandy | Defending men | Male | Greek |
| Sapphire | Beautiful jewel | Female | Greek |