| Name | Type | Category |
|---|---|---|
| Septan-7 | wiki | Planets |
| Seville, KC | wiki | Asbaran Solutions |
| Seville, KC | wiki | Tuckerized People |
| Shakald | wiki | Races |
| Shakald | wiki | Mercenary Races |
| Sheek-class Laser Frigates | wiki | Ship Classes |
| Shields | wiki | Weapons |
| Shirazi, Farhad | wiki | Asbaran Solutions |
| Shirazi, Nigel | wiki | Asbaran Solutions |
| Shirazi, Parisa | wiki | Asbaran Solutions |
| Shirazi, Sargon | wiki | Asbaran Solutions |
| Shoji, Oda | wiki | Nightbirds |
| Sidar | wiki | Races |
| Sigma Draconis | wiki | Star Systems |
| Sigma Draconis | wiki | Planets |
| Simmons, Todd | wiki | Cartwright's Cavaliers |
| Sirra'Kan | wiki | Races |
| Sirra'Kan Empire | wiki | Organizations |
| Skitee | wiki | Winged Hussars |
| Skoo-class Cruisers | wiki | Ship Classes |
| Skradchar | wiki | Planets |
| SleSha | wiki | Mercenary Races |
| Sloan, Ross | wiki | Asbaran Solutions |
| Slost | wiki | From the Books |
| Slost | wiki | Star Systems |