| Name | Meaning | Gender | Origin |
|---|
| River | River | Unisex | English |
| Robert | Bright fame | Male | Germanic |
| Rocco | Battle cry | Male | Germanic |
| Rocket | To move swiftly and powerfully | Unisex | English |
| Rogue | | Unisex | Hebrew |
| Roman | Roman | Unisex | Latin |
| Romeo | Pilgrim to Rome | Male | Italian |
| Ronan | Little seal | Male | Gaelic |
| Rowdy | Boisterous. Western Nickname. | Unisex | English |
| Ryder | One who rides | Unisex | English |
| Rylie | Rye clearing | Unisex | English |
| Sailor | Sailor | Unisex | English |
| Sampson | Sun | Unisex | Hebrew |
| Samson | Sun | Male | Hebrew |
| Sargent | A Squire | Male | English |
| Sawyer | One who saws wood | Male | English |
| Sebastian | Man from Sebaste | Male | Latin |
| Seth | Appointed | Male | Hebrew |
| Shaggy | Bushy and matted (hair), unkempt. | Unisex | English |
| Silas | Of the forest | Male | Latin |
| Skyler | Guarded | Unisex | Dutch |
| Sniper | A skilled shooter who spots targets from a concealed place. | Unisex | English |
| Spencer | Someone who gives out goods | Male | French |
| Spike | A long, thick sharp-pointed piece of wood or metal | Male | English |
| Starbuck | Star Deer | Unisex | English |
| Sterling | Little star - stellar | Male | English |
| Stone | Stone | Male | English |
| Talon | A claw | Male | English |
| Tanner | Tanner | Male | English |
| Theo | Gift of God | Male | Greek |