Aeolidioidea is a superfamily of nudibranchs, shell-less marine gastropod molluscs or sea slugs, in the suborder Aeolidacea.
Gosliner et al. (2007) elevated the subfamily Babakininae, which was within Facelinidae, to the family level, as Babakinidae.
In 2017, Bouchet and colleagues listed the following families inside Aeolidioidea:
A study of facelinid relationships in 2019 removed several facelinid genera to the family Myrrhinidae.
A 2025 revision of the taxonomy of Aeolidacea by Korshunova and colleagues recognised, based on the results of molecular phylogenetic analysises, the following families in the superfamily Aeolidioidea: