Circomphalus is a genus of saltwater clams, marine bivalve molluscs in the family Veneridae, the venus clams.
The genus Circomphalus is known from the Miocene to the Recent periods (age range: from 15.97 to 0.0 million years ago).
Species within this genus, according to ITIS, include:
According to the World Register of Marine Species, the species are: