| Name | Meaning | Gender | Origin |
|---|
| Ravi | benevolent, sun God | Male | Hindi |
| Rhea | stream, mother; poppy | Female | Greek |
| Rhiannon | divine queen | Female | Welsh |
| Rigel | Foot. Rigel is a blue star of the first magnitude that marks the hunter's left foot in the Orion constellation.
| Male | |
| Rosalind | Beautiful
| Female | Latin |
| Roxana | dawn; or, little star | Female | Persian |
| Saturn | Sixth and second largest planet away from the Sun. | Male | |
| Scotty | From Scotland: a Gael. Diminutive of Scott.
| Female | English |
| Selene | after the Greek godess of the moon | Unisex | |
| Seren | for Serendipidity | Male | Welsh |
| Sirius | burning | Male | Latin |
| Skat | | Unisex | Hebrew |
| Solar | | Unisex | Hebrew |
| Soledad | Solitary
| Female | Spanish |
| Soleil | sun | Female | |
| Spock | | 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 |
| Sunny | Abounding in sunshine, cheerful | Male | Nickname |
| Talitha | third leap | Female | Arabic |
| Taurus | bull | Male | Latin |
| Titania | giant | Female | Greek |