| Name | Meaning | Gender | Origin |
|---|
| Snickers | A brand of candy bar. | Unisex | |
| Socks | Short stockings finishing above the ankle | Unisex | |
| Sophia | Wisdom.
| Female | Greek |
| Sophie | Wisdom. Variant of Sophia
| Female | |
| Sox | Short stockings finishing above the ankle | Unisex | |
| Sox | Short stockings finishing above the ankle | Unisex | |
| Sparky | Animated, lively. | Unisex | |
| Spike | A long, thick sharp-pointed piece of wood or metal | Male | American |
| Stella | a star | Female | Latin |
| Stella | a star | Female | Latin |
| Stetson | Cowboy Hat | Male | English |
| Sugar | A sweet powder from sugar cane. Slang for sweetheart. | Female | Literary |
| Sugar | A sweet powder from sugar cane. Slang for sweetheart. | Female | Literary |
| Sunny | Abounding in sunshine, cheerful | Male | Nickname |
| Sweetie | Sweetheart. | Male | |
| Teddy | From Edward - Prosperous guardian | Unisex | |
| Theo | divine gift | Male | English |
| Theodore | gift of God | Male | Greek |
| Thomas | Twin
| Male | Aramaic |
| Thomas | Twin
| Male | Aramaic |
| Thor | Viking mythology: the ruler of the weather | Male | Norse |
| Tiger | A large, striped, carnivorous mammal from Asia. | Male | Animal |
| Tiger | A large, striped, carnivorous mammal from Asia. | Male | Animal |
| Tigger | from Winnie the Pooh | Unisex | |
| Toby | God is Good | Male | English |