Caspian tadpole goby (Benthophilus macrocephalus) is a fish species in the family Gobiidae.

The beardless tadpole goby is a rare species that inhabits coastal lakes, lower reaches of rivers, fresh and brackish waters of limans, as well as the northwestern region of the Black Sea.

Earlier this species was mentioned for the Sea of Azov, but now it is found, that the Sea of Azov inhabited by the other representatives of the genus Benthophilus.