1. A son of Iapetus and Thornax, an Arcadian hero and husband of Promne. He received the wounded Iphicles, the brother of Heracles, into his house, and took care of him until he died. Buphagus was afterwards killed by Artemis for having pursued her. (Paus. viii. 14. § 6, 27. § 11.)

2. A surname of Heracles, Lepreus, and others, who were believed to have eaten a whole bull at once. (Apollod. ii. 7. § 7, 5. § 11; Aelian, V. H. i. 24; Eustath. ad Hom. p. 1523.)