Lists of fictional extraterrestrials

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

• List of Noon Universe alien races

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

• 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

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

• List of humanoid aliens
• List of reptilian humanoids