| Name | Meaning | Gender | Origin |
|---|
| Sue | Lily
| Female | English |
| Suess | | Unisex | |
| Suggs | | Unisex | |
| Sun | obedient | Female | Korean |
| Suze | | Unisex | Hebrew |
| Sven | youth | Male | Norse |
| Swan | | Unisex | Hebrew |
| Sweet | | Unisex | Hebrew |
| Swift | | Unisex | |
| Switch | | Unisex | |
| Tad | Aramaic, meaning unclear, possibly from Theodore, gift of God | Male | English |
| Tag | | Unisex | |
| Tai | great extreme | Male | Chinese |
| Taj | crown | Male | Hindi |
| Tank | A large metal container. A heavily armed combat vehicle | Unisex | |
| Tash | born on Christmas Day | Female | English |
| Tate | to be cheerful; windy, a great talker | Male | English |
| Taz | | Male | |
| Teal | Bluish Green Color | Male | English |
| Tess | fourth born | Female | English |
| Tex | Of Texas | Male | English |
| Thor | Viking mythology: the ruler of the weather | Male | Norse |
| Thyme | | Female | Hebrew |
| Tiff | | Unisex | Hebrew |
| Tim | Greek, honoring God | Male | Greek |