Horusornis is a prehistoric bird of prey that has been assigned to Accipitriformes. Its name means "Horus-bird", after the Egyptian god Horus who was sometimes depicted as a falcon.
Horusornis vianeyliaudae is the only known species. It lived approximately at the end of the Eocene, some 35 mya in what today is France. Its fossils were found in Quercy.