Yam Nose
this was the name given to the H'nemthe during the shooting of the Mos Eisley Cantina scene in Star Wars: Episode IV - A New Hope. (SWDB)

Yamnoss
this H'nemthe was one of the many cantina patrons seen in the Star Wars Holiday Special. (OWS)

Yavin
in the rough draft of Star Wars, Yavin was the Wookiee home planet. (TAS)

Yavin Four
in the second screenplay draft of Star Wars: A New Hope, Yavin Four is the secret place where Anakin Starkiller hides out, after Ogana Major is destroyed. It is a tropical bog. (2D)

Yonna
in the second screenplay draft of Star Wars: A New Hope, C-3PO makes reference to dancing yonnas, alluding that the Yonna is an exotic race which performs sensual or entertaining dances. (2D)

Yoss
in the revised rough draft of Star Wars: Episode I - The Phantom Menace, this Gungan General wanted to march on the Trade Federation's droid army before is could into position. He was overruled by General Ceel, who wanted to ensure that the Gungan shields were in place before attacking. (IG1)

Yuuzhan Vong
the name for this extra-galactic race of aliens was taken from words found on the menu of a New York City restaurant. (SWI66)