There are a number of lists of fictional species:
- List of fictional extraterrestrials (by media type)
- Lists of fictional alien species: 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
Humanoid
Legendary
Mythical
Plants and fungi
Reptilian
Theological