Therian may refer to:

A member of the mammalian subclass Theria, consisting of marsupial and placental mammals Therianthropy (mythology), the mythological ability or affliction of individuals to metamorphose into animals or hybrids by means of shapeshifting Therian subculture, a subculture whose members identify as non-human animals

See also Therien (disambiguation) Therin Therion (disambiguation) Therium Therianthropy (disambiguation) Metamorph (disambiguation) Shapeshifter (disambiguation)