Palaephatus (; ) was the author of a rationalizing text on Greek mythology, the paradoxographical work On Incredible Things (???? ??????? (????????); Incredibilia), which survives in a (probably corrupt) Byzantine edition.

This work consists of an introduction and 52 brief sections on various Greek myths. The first 45 have a common format: a brief statement of a wonder tale from Greek mythology, usually followed by a claim of disbelief