- "Some creatures in the galaxy are aliens. There are lots of different aliens. Aliens are not human."
"Alien" was a general-purpose term used in the galaxy by humans and even some droids to refer to anyone of a sentient species that was a not a human. Sometimes, the term nonhuman was used interchangeably.
- "... I have no issues with aliens myself—some of my best friends are nonhumans—but some grav-ball fans object to alien physiognomies, seeing them as giving nonhumans an edge."
- ―Janus Fhurek
Since the Galactic Empire looked down on aliens, it was rare to find non-humans serving as Imperial officers. Non-human species like Wookiees were regarded as animals and exploited as slave labor. The Empire favored humans in its government and military, In addition, the Empire also discouraged the learning of alien languages and cultures such as Ithorese, and sought to impose high 'Imperial standards' for its citizens. Nevertheless, some non-humans were known to occupy lofty roles within the Empire, such as the Chagrian Mas Amedda, who served as the Empire's Grand Vizier, the Pau'an Grand Inquisitor, and two other Inquisitors known as the Seventh Sister and the Fifth Brother.
Some fans of grav-ball during the Age of the Empire objected to the presence of alien players on grav-ball teams, feeling that their alien physiognomies gave them an unfair edge over the human players. The Junior Academy of Applied Sciences's athletic director Janus Fhurek attempted to convince his grav-ball center-striker Zare Leonis to remove the AppSci SaberCats' two alien players: the Rodian Frid Kelio and the Aqualish Hench Sina. When Leonis refused, Fhurek unilaterally transferred the alien players to another school. Reflecting on his experiences with Fhurek, Leonis regarded the athletic director as xenophobic.
- Star Wars: Episode I The Phantom Menace
- Star Wars: Episode II Attack of the Clones
- Star Wars: The Clone Wars (film)
- Star Wars: The Clone Wars (TV series)
- Star Wars: Episode III Revenge of the Sith
- Star Wars: Kanan
- Star Wars (LINE Webtoon)
- Servants of the Empire: Edge of the Galaxy
- Servants of the Empire: Rebel in the Ranks
- Servants of the Empire: Imperial Justice
- Servants of the Empire: The Secret Academy
- Star Wars: Episode IV A New Hope (First appearance)
- Star Wars 2: Skywalker Strikes, Part II
- Star Wars: Darth Vader 4: Vader, Part IV
- Star Wars: Episode V The Empire Strikes Back
- Use the Force!
- Star Wars: Episode VI Return of the Jedi
- Before the Awakening
- Star Wars: Episode VII The Force Awakens