From OtherSpace: Encyclopedia Galactica
- Salek, Ribas
- San Angeles
- Sanctuary
- Sandwalker, Stumppaw
- Seamel, Lyddmull
- Shadin IX: Nall colony world rich in polydenum. Home to several forced-labor mining camps.
- Shark: Murderous minion of Lord Fagin. Sometimes goes undercover with various pseudonyms.
- Shohobian Mystics
- Sivad
- Sivadian
- Slashing Strike: Nall warship commanded by Yokkavir.
- Slicer
- Stellar Consortium
- St. John-Crowell, Plimpton