Improbable may refer to:
Improbable (company), a British company founded in 2012 Improbable (novel), a 2005 science fiction thriller novel by Adam Fawer Improbable (The X-Files), an episode in the ninth season of the science fiction television series Improbable (horse), a racehorse Improbable (theatre company), an English theatre company
See also Probability (disambiguation) Probably (disambiguation)