| SÓLveig | | - | Ancient Scandinavian, Icelandic | |
| Saga | | SAH-gah (Swedish) | Norse Mythology, Swedish, Icelandic | |
| Sandra | | SAHN-drah (Italian, Dutch, Finnish), SAN-drə (English), ZAHN-drah (German) | Italian, English, French, Spanish, Portuguese, German, Dutch, Swedish, Norwegian, Danish, Icelandic, | |
| Sara | | SAH-rah (Spanish, Finnish, Dutch, Polish), ZAH-rah (German), SER-ə (English), SAR-ə (English), SAH:-rah (Arabic) | Greek, Spanish, Italian, Portuguese, Catalan, Swedish, Norwegian, Danish, Icelandic, Finnish, German | |
| Selma | | SEL-mə (English), ZEL-mah (German) | English, German, Dutch, Swedish, Norwegian, Danish, Icelandic | |
| Sif | | SEEF (Norse Mythology) | Norse Mythology, Danish, Icelandic | |
| SignÝ | | - | Ancient Scandinavian, Norse Mythology, Icelandic | |
| SigrÚN | | - | Ancient Scandinavian, Norse Mythology, Icelandic | |
| Sigur&Eth;Ur | | - | Icelandic | |
| Sindri | | - | Norse Mythology, Ancient Scandinavian, Icelandic | |
| Snorri | | - | Ancient Scandinavian, Icelandic | |
| SoffÍA | | - | Icelandic | |
| Sonja | | ZAWN-yah (German), SON-yah (Finnish) | German, Dutch, Swedish, Norwegian, Danish, Icelandic, Finnish, Slovene, Serbian, Croatian, Macedonia | |
| StefÁN | | - | Icelandic | |
| Svana | | - | Icelandic | |