| Sonja | Woman | Scandinavian Names |
| Soren | Man | Scandinavian Names |
| Sorena | Woman | Scandinavian Names |
| Soroya | Unisex | Scandinavian Names |
| Spock | Man | Scandinavian Names |
| Spurgeon | Unisex | Scandinavian Names |
| Stellan | Unisex | Scandinavian Names |
| Sten | Man | Scandinavian Names |
| Stian | Man | Scandinavian Names |
| Stina | Woman | Scandinavian Names |
| Sturla | Man | Scandinavian Names |
| Sunniva | Woman | Scandinavian Names |
| Svana | Woman | Scandinavian Names |
| Svante | Man | Scandinavian Names |
| Svea | Woman | Scandinavian Names |
| Svein | Man | Scandinavian Names |
| Sven | Man | Scandinavian Names |
| Sverre | Man | Scandinavian Names |
| Swanhilde | Woman | Scandinavian Names |
| Sweyn | Man | Scandinavian Names |