| Name | Meaning | Gender | Origin |
|---|
| Raymon | Form of Raymond Guards wisely.
| Male | |
| Rebel | One that resists of defies authority | Male | Word |
| Reef | | Male | Hebrew |
| Rhianna | Great queen, goddess, nymph | Unisex | Welsh |
| Rhodes | dweller by the crosses; roses | Male | Greek |
| Rider | horseman | Male | English |
| Rio | River
| Male | Spanish |
| Ron | Ronald | Unisex | |
| Ronny | | Unisex | |
| Roscoe | From the deer forest. | Male | Norse |
| Royal | kingly, royal | Male | |
| Royce | son of the king | Male | English |
| Rufus | Red haired | Male | Latin |
| Rush | red-haired | Male | English |
| Rya | | Unisex | |
| Saeed | | Unisex | |
| Sagan | | Unisex | Hebrew |
| Sahib | sir | Unisex | |
| Sailor | One who serves in the navy or works on a ship. | Male | Occupational |
| Salim | Peace
| Male | Arabic |
| Samar | Conversations at night
| Male | Arabic |
| Saxon | people of the dagger | Male | |
| Scout | One dispatched from main body to gather information | Male | Word |
| Seanna | God's grace | Unisex | |
| Seren | for Serendipidity | Male | Welsh |