| Name | Meaning | Gender | Origin |
|---|
| Sienna | A clay like earthy reddish brown | Female | Italian |
| Sierra | Dark Feminine of Ciaran.
| Female | Spanish |
| Sky | The expanse of air over the Earth | Female | Nature |
| Skye | sky, sheltering | Female | Scottish |
| Sloth | | Unisex | Hebrew |
| Smoke | | Unisex | |
| Smoke | | Unisex | |
| Snow | Frozen crystals that fall in soft, white flakes | Female | English |
| Snowflake | Single flake or crystal of snow. | Unisex | |
| Solstice | Sun Exposure | Female | Greek |
| Sparrow | a bird | Female | Nature |
| Spring | spring season | Female | Word |
| Sprinkles | | Unisex | |
| Squirrel | | 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 |
| Starr | Star | Female | English |
| Stella | a star | Female | Latin |
| Stella | a star | Female | Latin |
| Stormy | | Female | |
| Summer | summer season | Female | Word |
| Sunflower | | Unisex | |
| Sunlight | | Unisex | |
| Sunrise | | Unisex | |
| Sunset | Daily disappearance of the sun below the horizon. Usually red, yellow or orange in colour. | Unisex | |