Stephanoidea
{{Short description|Superfamily of wasps}}
{{Automatic taxobox
| oldest_fossil = Early Jurassic
| image = Stephanid Wasp (Foenatopus albomaculatus) on my laptop (13759834805).jpg
| image_caption = Foenatopus albomaculatus
| image2 = Aptenoperissus burmanicus.jpg
| image2_caption = Aptenoperissus burmanicus
| taxon = Stephanoidea
| authority = Leach, 1815
| subdivision = *Stephanidae
}}
Stephanoidea is a superfamily of parasitic wasps within the Apocrita; it includes only one living family, Stephanidae (350 living species mid Cretaceous-recent), as well as the extinct families Ephialtitidae (89 species, Early Jurassic-mid Cretaceous), Aptenoperissidae (8 species, mid Cretaceous, Burmese amber), Myanmarinidae (4 species, mid Cretaceous, Burmese amber) and Ohlhoffiidae (4 species, Early-mid Cretaceous).{{Cite journal|last1=Jouault|first1=Corentin|last2=Rasnitsyn|first2=Alexandr P.|last3=Perrichot|first3=Vincent|date=2021-01-01|title=Ohlhoffiidae, a new Cretaceous family of basal parasitic wasps (Hymenoptera: Stephanoidea)|journal=Cretaceous Research|language=en|volume=117|pages=104635|doi=10.1016/j.cretres.2020.104635|issn=0195-6671|doi-access=free}}