Rugogastridae is a family of trematodes in the order Aspidogastrida.

It consists of a single genus, Rugogaster Schell, 1973.

[1] Species of Rugogaster are parasitic in the rectal glands of various holocephalan fishes.

They are characterized by a row of rugae, numerous testes, and two caeca, whilst other aspidogastrid species generally have one caecum and one or two testes.

This Trematoda (fluke)–related article is a stub.