| Name | Meaning | Gender | Origin |
|---|
| Strike | | Unisex | Hebrew |
| Sugar | A sweet powder from sugar cane. Slang for sweetheart. | Female | Literary |
| Sugar | A sweet powder from sugar cane. Slang for sweetheart. | Female | Literary |
| Sultan | A ruler of a Moslem country | Male | Swahili |
| Sunny | Abounding in sunshine, cheerful | Male | Nickname |
| Sunshine | Rays from the sun. Cheerfulness | Female | Word |
| Suzi | | Unisex | Hebrew |
| Suzy | Lily | Unisex | English |
| Taffy | Sticky candy | Male | Welsh |
| Tasha | Russian diminutive of Natalya, birthday of the Lord | Female | English |
| Taylor | A tailor
| Female | English |
| Teddy | From Edward - Prosperous guardian | Unisex | |
| Theo | divine gift | Male | English |
| Thor | Viking mythology: the ruler of the weather | Male | Norse |
| Tibby | pledged to God | Female | English |
| Tiger | A large, striped, carnivorous mammal from Asia. | Male | Animal |
| Tiger | A large, striped, carnivorous mammal from Asia. | Male | Animal |
| Tiger Lily | | Unisex | |
| Tigger | from Winnie the Pooh | Unisex | |
| Timmy | From Timothy - Honoring God | Unisex | |
| Tink | | Unisex | |
| Tinker | | Unisex | |
| Tinker | | Unisex | |
| Tippy | | Male | |
| Tish | Latin, joy, gladness | Female | English |