Epigynum may refer to:
*
''Epigynum'' (plant), a genus of plants in the family Apocynaceae
*
Epigynum (spider)
The epigyne or epigynum is the external genital structure of female spiders. As the epigyne varies greatly in form in different species, even in closely related ones, it often provides the most distinctive characteristic for recognizing species. ...
, the external genital structure of female spiders
{{Disambiguation