肉食亚目（Adephaga）是昆虫纲鞘翅目的一个亚目。

肉食亚目的特色是第一可见腹节之腹板多为后足基节窝所分开，后翅近中部处具1或2横脉（通常为m-cu横脉形成oblong cell），前胸多具侧板缝，后足转节膨大，指向中线，腿节基部靠近基节，触角似念珠状，如步行虫总科、龙虱科、虎甲虫科等。

The Adephaga (from Greek ἀδηφάγος, adephagos, "gluttonous"), with more than 40,000 recorded species in 10 families, are a suborder of highly specialized beetles and the second-largest suborder of the order Coleoptera. Members of this suborder are adephagans, a term which notably include ground beetles, tiger beetles, predacious diving beetles, and whirligig beetles. The majority of the species belongs to the family of carabids, or ground beetles (Carabidae).