This is a list of lists of fictional extraterrestrial species.

Alphabetical

A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z

By medium & franchise

Literature

Comics

List of alien races in DC Comics List of alien races in DC Comics is a list of fictional extraterrestrial races that have appeared in comic book titles published by DC Comics, as well as properties from other media that are listed below, with brief descriptions and accompanying ...

List of alien races in Marvel Comics This is a list of Alien life, alien races that appear in Marvel Comics. Overview There are countless different extraterrestrial races in Marvel Comics Marvel Universe, universe. The vast majority are humanoid in structure. Galactic Council The G ...

Film and television

List of Doctor Who universe creatures and aliens The List of longest-running British television programmes, long-running BBC science fiction television series ''Doctor Who'' has an extensive Fictional universe, universe inhabited by a continuously expanding gallery of creatures and Extraterres ...

List of Star Trek aliens ''Star Trek'' is a science fiction media franchise that began with Gene Roddenberry's launch of the original ''Star Trek'' television series in 1966. Its success led to numerous films, novels, comics, and spinoff series. A major motif of the f ...

List of Star Wars creatures The universe of ''Star Wars'', a space opera media franchise, features a broad variety of different alien creatures. These aliens can be sentient or non-sentient, serving as species for characters, setting pieces, plot devices, and backgrou ...

Lists of Star Wars species These are lists of sentient species from the ''Star Wars'' franchise. * List of ''Star Wars'' species (A–E) * List of ''Star Wars'' species (F–J) * List of ''Star Wars'' species (K–O) * List of ''Star Wars'' species (P–T) * List of ...

: A–E, F–J, K–O, P–T, U–Z *

Species of the Marvel Cinematic Universe The Marvel Cinematic Universe (MCU) is an American media franchise and shared universe centered on superhero films and television series starring various titular superheros independently produced by Marvel Studios: based on characters that appe ...

Games

* Battlelords of the 23rd Century#Races *

Races of Mass Effect The ''Mass Effect'' media franchise, developed by BioWare and published by Electronic Arts, is set in the distant future where various extraterrestrial species coexist with humanity. The developers created extensive background lore for the univer ...

Races of StarCraft ''StarCraft'' is a military science fiction media franchise created by Chris Metzen and James Phinney and owned by Blizzard Entertainment. The series, set in the beginning of the 26th century, centers on a galactic struggle for dominance amon ...

By appearance

List of humanoid aliens This list of humanoid aliens is a collection of various notable extraterrestrial humanoid characters that appear in various works of fiction. Humanoid aliens have traits similar to that of human beings including upright stance, bipedalism, opp ...

List of reptilian humanoids Reptilian humanoids appear in folklore, science fiction, fantasy, and conspiracy theories. Mythology * Adi Shesha : ''lit,'' The first of all the snakes, mount of Hindu God Vishnu; descended to Earth in human form as Lakshmana and Balarama. * ...