| Name | Meaning | Gender | Origin |
|---|
| Smoochie | | Unisex | Hebrew |
| Snow | Frozen crystals that fall in soft, white flakes | Female | English |
| Snuggles | To curl up closely, cuddle | Male | |
| Snuggles | To curl up closely, cuddle | Male | |
| Sparkles | | 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 |
| Stella | a star | Female | Latin |
| Stella | a star | Female | Latin |
| Strudel | A pastry made with fruit or cheese. baked in a roll. | Unisex | |
| Sue | Lily
| Female | 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 |
| Sugar Pie | | Unisex | |
| Sunny | Abounding in sunshine, cheerful | Male | Nickname |
| Sunshine | Rays from the sun. Cheerfulness | Female | Word |
| Sweet Cheeks | | Unisex | Hebrew |
| Sweet Potato | | Unisex | |
| Sweetheart | | Unisex | Hebrew |
| Sweetie | Sweetheart. | Male | |
| Sweetie Pie | | Unisex | |
| Sweetness | | Unisex | Hebrew |
| Sweets | | Unisex | Hebrew |
| Sweety | | Female | |
| Tara | A hill where the kings met
| Female | Irish |