Rass, predatory creatures originating from the planet Sakiya located within the Saki system of Hutt Space, were a species of the Legends continuity. Their durable bones, characterized by a textured black hue, were utilized by the sentient Sakiyan people, who also inhabited the rass' native homeworld, for crafting the grips of bladed weapons. Admiral Tarnese Bleyd, a Sakiyan who served the Galactic Republic during the Clone Wars, possessed a knife featuring a handle fashioned from rass bone, regarding it as one of his preferred weapons.
The initial reference to Rass appeared in MedStar I: Battle Surgeons, a 2004 novel authored collaboratively by Michael Reaves and Steve Perry.