| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Sieghild | - | German | ||
| Sieglinde | - | German, Germanic Mythology | ||
| Siegmund | ZEEK-muwnt | German | ||
| Siegward | - | German | ||
| Sigdag | - | Ancient Germanic | ||
| Sigi | - | German | ||
| Sigibert | - | Ancient Germanic | ||
| Sigifrid | - | Ancient Germanic | ||
| Sigihard | - | Ancient Germanic | ||
| Sigiheri | - | Ancient Germanic | ||
| Sigihild | - | Ancient Germanic | ||
| Sigilind | - | Ancient Germanic | ||
| Sigimund | - | Ancient Germanic | ||
| Sigismund | - | German, Ancient Germanic | ||
| Sigivald | - | Ancient Germanic |