| Name | Meaning | Gender | Origin | 
|---|
| River |  | 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 |  | 
| Rock | Italian from German, rest | Male | English | 
| Rose | Flower | Female | Latin | 
| Rosemary | the rosemary plant | Female | Latin | 
| Rowan | red-haired; rugged | Male | Scottish | 
| Ruby | Jewel | Female | Latin | 
| Rue | Bitter, Medicinal Plant | Male | English | 
| Rufus | Red haired | Male | Latin | 
| Ryder | cavalryman, messenger | Male | British | 
| Sable | A carnivorous mammal of Northern Europe with soft, dark fur. | Female | Animal | 
| Saffron | A cooking spice | Female | Spice | 
| Sage | Aromatic grayish-green herb. Wise or experienced person. | Female |  | 
| Sahara | the moon . The world's largest desert situated in northern Africa. | Female | Arabic | 
| Salmon | salmon, a fish | Male | Animal | 
| Sapphire | Precious Gem | Female | Hebrew | 
| Savannah | From the open plain | Female | Spanish | 
| Seal |  | Male |  | 
| Senna | brightness | Female | Botanical | 
| Sequoia | sparrow | Female | Native | 
| Shade |  | Male |  | 
| Shadow | A rough, dark image cast by an object blocking the sun's rays | Female | English | 
| Shale |  | Male |  | 
| Sienna | A clay like earthy reddish brown | Female | Italian | 
| Sierra | Dark Feminine of Ciaran. | Female | Spanish |