| Name | Meaning | Gender | Origin |
|---|
| Sox | Short stockings finishing above the ankle | Unisex | |
| Sparkle | To shine with animation | Unisex | |
| Sprinkles | | Unisex | |
| Squat | | Unisex | Hebrew |
| Squirt | Slang for a small person | Unisex | |
| Star | A celestial body that emits light. A famous performer. | Female | Word |
| Star | A celestial body that emits light. A famous performer. | Female | Word |
| Sugar | A sweet powder from sugar cane. Slang for sweetheart. | Female | Literary |
| Sugar | A sweet powder from sugar cane. Slang for sweetheart. | Female | Literary |
| Suki | beloved | Female | Japanese |
| Sunshine | Rays from the sun. Cheerfulness | Female | Word |
| Sushi | Raw fish. | Unisex | |
| Sushi | Raw fish. | Unisex | |
| Sweet Pea | | Female | |
| Sybil | prophetess | Female | Greek |
| Sydney | from city of St. Denis | Female | |
| Tahiti | | Female | |
| Talia | Dew of heaven
| Female | Hebrew |
| Talia | Dew of heaven
| Female | Hebrew |
| Tallulah | leaping water | Female | Irish |
| Tasha | Russian diminutive of Natalya, birthday of the Lord | Female | English |
| Teacup | | Female | Hebrew |
| Teddy | From Edward - Prosperous guardian | Unisex | |
| Tess | fourth born | Female | English |
| Tessa | Abbreviation of Teresa which is a popular saint's name of uncertain meaning.
| Female | English |