| Name | Meaning | Gender | Origin |
|---|
| Rufus | Red haired | Male | Latin |
| Russell | Red as a fox. | Male | |
| Ryder | cavalryman, messenger | Male | British |
| Sadie | Princess
| Female | English |
| Saffron | A cooking spice | Female | Spice |
| Sage | Aromatic grayish-green herb. Wise or experienced person. | Female | |
| Sailor | One who serves in the navy or works on a ship. | Male | Occupational |
| Sam | to hear | Male | English |
| Samuel | his name is God | Male | Hebrew |
| Sarah | Princess
| Female | Hebrew |
| Sascha | defending warrior | Male | |
| Sasha | defending men | Female | Russian |
| Satine | after the character in the musical 'Moulin Rouge' | Female | |
| Savannah | From the open plain
| Female | Spanish |
| Sawyer | woodsman | Male | English |
| Scarlet | Scarlet coloured, deep red | Female | Color |
| Scarlett | Red | Female | English |
| Scout | One dispatched from main body to gather information | Male | Word |
| Sean | God's grace | Male | Irish |
| Sebastian | An august person | Male | Latin |
| Seraphina | afire, angel, seraph | Female | Hebrew |
| Serena | Tranquil or serene. | Female | Latin |
| Shane | God is gracious | Male | Irish |
| Shepherd | one who heards sheep | Male | Occupational |
| Shiloh | tranquil | Female | Biblical |