| Name | Meaning | Gender | Origin |
|---|
| Rock | Italian from German, rest | Male | English |
| Rocket | To move swiftly and powerfully | Male | Word |
| Rodeo | | Unisex | Hebrew |
| Rogue | | Male | |
| Rowan | red-haired; rugged | Male | Scottish |
| Rufus | Red haired | Male | Latin |
| Ryder | cavalryman, messenger | Male | British |
| Scout | One dispatched from main body to gather information | Male | Word |
| Shamus | Supplanter | Male | Anglicized |
| Sinbad | | Male | |
| Slate | | Male | |
| Sunny | Abounding in sunshine, cheerful | Male | Nickname |
| Sy | | Unisex | Hebrew |
| Tahoe | edge of the lake | Male | Native |
| Teva | Nature | Unisex | English |
| Tex | Of Texas | Male | English |
| Thor | Viking mythology: the ruler of the weather | Male | Norse |
| Tico | | Unisex | |
| Tripp | traveler | Male | Word |
| Tristan | A knight
| Male | Celtic |
| Ty | Abbreviation For Names Beginning With Ty-. | Male | English |
| Tyr | Viking mythology: the god of war | Unisex | |
| Tyson | son of a German, son of Ty | Male | English |
| Vance | dweller at the windmill | Male | English |
| Walker | cloth worker | Male | English |