''Porodiscus'' may refer to:
*
''Porodiscus'' (fungus), a fungal genus within the class Sordariomycetes
*
''Porodiscus'' (diatom), a genus of fossil diatoms in the family
Coscinodiscaceae
*
''Porodiscus'' (protist), a radiolarian protist genus in the family
Spongodiscidae
{{genus disambiguation