| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 721 | Sign | Norse | Daughter of Volsung. | F | |
| 722 | Signy | Norse | Daughter of Volsung. | F | |
| 723 | Sigrath | Norse | Conquering advisor. | F | |
| 724 | Sigrid | Norse | Conquering advisor. | F | |
| 725 | Sigun | Norse | Daughter of Volsung. | F | |
| 726 | Sigurd | Norse | Victorious defender. | M | |
| 727 | Sigurdhr | Norse | Victorious defender. | M | |
| 728 | Sigvard | Norse | Victorious defender. | M | |
| 729 | Sigyn | Norse | Wife of Loki. | F | |
| 730 | Sijur | Norse | Victorious defender. | M | |
| 731 | Sindri | Norse | A mythical dwarf. | M | |
| 732 | Sinfiotli | Norse | Son of Siggeir. | M | |
| 733 | Sinmora | Norse | Wife of Surt. | F | |
| 734 | Sissel | Norse | Without sight. | F | |
| 735 | Siv | Norse | Kinswoman. | F | |
| 736 | Siv | Norse | Victorious defender. | M | |
| 737 | Skade | Norse | Goddess of skiers. | F | |
| 738 | Skagi | Norse | Son of Skopta. | M | |
| 739 | Snor | Norse | Wife of Karl. | F | |
| 740 | Snora | Norse | Wife of Karl. | F | |