| Name | Meaning | Gender | Origin |
|---|
| Pretzel | Glazed, salted and brittle biscuit in the form of a knot or stick. | Male | |
| Puce | French for flea | Unisex | |
| Radburn | reedy stream | Male | English |
| Rain | | Male | |
| Rajah | A prince, king or ruler in India | Male | Hindi |
| Raleigh | dweller by the deer meadow | Male | English |
| Reaper | | Unisex | |
| Red | A primary colour resembling the colour of blood | Male | Color |
| Rhett | Enthusiastic, stream.
| Male | English |
| Rigel | Foot. Rigel is a blue star of the first magnitude that marks the hunter's left foot in the Orion constellation.
| Male | |
| Robin | Famed: bright: shining Form of Robert popular since the medieval days of Robin Hood. Robinson: (English) Son of Robert Famed: bright: shining. Surname.
| Male | |
| Rogan | redhead | Male | Irish |
| Rojo | Red. Rojo for males and Raja for females. | Male | Spanish |
| Rory | aka Rors | Male | Irish |
| Ros | | Unisex | |
| Ross | from the TV sitcom Friends | Male | Scottish |
| Roux | Red | Male | French |
| Rowan | red-haired; rugged | Male | Scottish |
| Roy | regal one, Red haired | Male | |
| Royal | kingly, royal | Male | |
| Rudd | ruddy | Unisex | |
| Rudolph | wolf | Male | |
| Rudyard | from the red gate | Male | English |
| Ruffles | A strip of frilled fabric. Irregular | Unisex | |
| Ruford | From the Red Ford | Unisex | |