Subaeneus may refer to:
Brachyplatys subaeneus, species of shield bugs Dorcadionoides subaeneus, species of beetle Eupogonius subaeneus, species of beetle Harpalus subaeneus, species of ground beetle Ilybius subaeneus, species of predaceous diving beetle Onthophagus subaeneus, species of dung beetle Paraivongius subaeneus, species of leaf beetle Stator subaeneus, species of leaf beetle