| Name | Meaning | Gender | Origin |
|---|
| Rollo | wolf | Male | Latin |
| Rory | aka Rors | Male | Irish |
| Rufus | Red haired | Male | Latin |
| Rupert | middle name: Biggles | Male | |
| Salvador | saviour | Male | Spanish |
| Sam | to hear | Male | English |
| Seamus | supplanter | Male | Irish |
| Sergei | Servant | Male | Russian |
| Somara | Gifted Child Of God (Sun) | Unisex | User Contributed |
| Spencer | Shopkeeper, dispenser, keeper | Male | English |
| Stanley | Lives by the stony grove
| Male | English |
| Stephen | crown | Male | Greek |
| Steven | garland, crown | Male | English |
| Tai | great extreme | Male | Chinese |
| Ted | English, wealthy guardian | Male | English |
| Teddy | From Edward - Prosperous guardian | Unisex | |
| Terry | Latin clan name of uncertain meaning | Male | English |
| Theo | divine gift | Male | English |
| Theodore | gift of God | Male | Greek |
| Thomas | Twin
| Male | Aramaic |
| Thomas | Twin
| Male | Aramaic |
| Tim | Greek, honoring God | Male | Greek |
| Tom | Bartender at the Leaky Cauldron.
| Male | English |
| Tommy | From Thomas - The twin. | Male | English |
| Tony | priceless one | Male | English |