Lists of fictional extraterrestrials

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

• List of Noon Universe alien races

Comics

• List of alien races in DC Comics
• List of alien races in Marvel Comics

Film and television

• List of Doctor Who universe creatures and aliens
• List of Star Trek aliens
• List of Star Wars creatures
• Lists of Star Wars species: A–E, F–J, K–O, P–T, U–Z
• Species of the Marvel Cinematic Universe

Games

• Battlelords of the 23rd Century#Races
• Races of Mass Effect
• Races of StarCraft

By appearance

• List of humanoid aliens
• List of reptilian humanoids